diff --git a/DbHelperSQL.cs b/DbHelperSQL.cs
deleted file mode 100644
index 04097cd..0000000
--- a/DbHelperSQL.cs
+++ /dev/null
@@ -1,1159 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Specialized;
-using System.Data;
-using System.Data.SqlClient;
-using System.Configuration;
-using System.Data.Common;
-using System.Collections.Generic;
-
-namespace Basic
-{
-    public abstract class DbHelperSQL
-    {
-        //数据库连接字符串(web.config来配置)，可以动态更改connectionString支持多数据库.
-        public static string connectionString = System.Configuration.ConfigurationManager.AppSettings["ConnectionString"].ToString();
-        public DbHelperSQL() { }
-
-        #region 公用方法
-        /// <summary>
-        /// 判断是否存在某表的某个字段
-        /// </summary>
-        /// <param name="tableName">表名称</param>
-        /// <param name="columnName">列名称</param>
-        /// <returns>是否存在</returns>
-        public static bool ColumnExists(string tableName, string columnName)
-        {
-            string sql = "select count(1) from syscolumns where [id]=object_id('" + tableName + "') and [name]='" + columnName + "'";
-            object res = GetSingle(sql);
-            if (res == null)
-            {
-                return false;
-            }
-            return Convert.ToInt32(res) > 0;
-        }
-        public static int GetMinID(string FieldName, string TableName)
-        {
-            string strsql = "select min(" + FieldName + ") from " + TableName;
-            object obj = DbHelperSQL.GetSingle(strsql);
-            if (obj == null)
-            {
-                return 0;
-            }
-            else
-            {
-                return int.Parse(obj.ToString());
-            }
-        }
-        public static int GetMaxID(string FieldName, string TableName)
-        {
-            string strsql = "select max(" + FieldName + ")+1 from " + TableName;
-            object obj = DbHelperSQL.GetSingle(strsql);
-            if (obj == null)
-            {
-                return 1;
-            }
-            else
-            {
-                return int.Parse(obj.ToString());
-            }
-        }
-        public static bool Exists(string strSql)
-        {
-            object obj = DbHelperSQL.GetSingle(strSql);
-            int cmdresult;
-            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-            {
-                cmdresult = 0;
-            }
-            else
-            {
-                cmdresult = int.Parse(obj.ToString());
-            }
-            if (cmdresult == 0)
-            {
-                return false;
-            }
-            else
-            {
-                return true;
-            }
-        }
-        /// <summary>
-        /// 表是否存在
-        /// </summary>
-        /// <param name="TableName"></param>
-        /// <returns></returns>
-        public static bool TabExists(string TableName)
-        {
-            string strsql = "select count(*) from sysobjects where id = object_id(N'[" + TableName + "]') and OBJECTPROPERTY(id, N'IsUserTable') = 1";
-            //string strsql = "SELECT count(*) FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[" + TableName + "]') AND type in (N'U')";
-            object obj = DbHelperSQL.GetSingle(strsql);
-            int cmdresult;
-            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-            {
-                cmdresult = 0;
-            }
-            else
-            {
-                cmdresult = int.Parse(obj.ToString());
-            }
-            if (cmdresult == 0)
-            {
-                return false;
-            }
-            else
-            {
-                return true;
-            }
-        }
-        public static bool Exists(string strSql, params SqlParameter[] cmdParms)
-        {
-            object obj = DbHelperSQL.GetSingle(strSql, cmdParms);
-            int cmdresult;
-            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-            {
-                cmdresult = 0;
-            }
-            else
-            {
-                cmdresult = int.Parse(obj.ToString());
-            }
-            if (cmdresult == 0)
-            {
-                return false;
-            }
-            else
-            {
-                return true;
-            }
-        }
-        #endregion
-
-        #region  执行简单SQL语句
-
-        /// <summary>
-        /// 执行SQL语句，返回影响的记录数
-        /// </summary>
-        /// <param name="SQLString">SQL语句</param>
-        /// <returns>影响的记录数</returns>
-        public static int ExecuteSql(string SQLString)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
-                {
-                    try
-                    {
-                        connection.Open();
-                        int rows = cmd.ExecuteNonQuery();
-                        return rows;
-                    }
-                    catch (System.Data.SqlClient.SqlException e)
-                    {
-                        connection.Close();
-                        throw e;
-                    }
-                }
-            }
-        }
-
-        /// <summary>
-        /// 2012-2-21新增重载，执行SQL语句，返回影响的记录数
-        /// </summary>
-        /// <param name="connection">SqlConnection对象</param>
-        /// <param name="trans">SqlTransaction事件</param>
-        /// <param name="SQLString">SQL语句</param>
-        /// <returns>影响的记录数</returns>
-        public static int ExecuteSql(SqlConnection connection, SqlTransaction trans, string SQLString)
-        {
-            using (SqlCommand cmd = new SqlCommand(SQLString, connection))
-            {
-                try
-                {
-                    cmd.Connection = connection;
-                    cmd.Transaction = trans;
-                    int rows = cmd.ExecuteNonQuery();
-                    return rows;
-                }
-                catch (System.Data.SqlClient.SqlException e)
-                {
-                    trans.Rollback();
-                    throw e;
-                }
-            }
-        }
-
-        public static int ExecuteSqlByTime(string SQLString, int Times)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
-                {
-                    try
-                    {
-                        connection.Open();
-                        cmd.CommandTimeout = Times;
-                        int rows = cmd.ExecuteNonQuery();
-                        return rows;
-                    }
-                    catch (System.Data.SqlClient.SqlException e)
-                    {
-                        connection.Close();
-                        throw e;
-                    }
-                }
-            }
-        }
-
-        /// <summary>
-        /// 执行Sql和Oracle滴混合事务
-        /// </summary>
-        /// <param name="list">SQL命令行列表</param>
-        /// <param name="oracleCmdSqlList">Oracle命令行列表</param>
-        /// <returns>执行结果 0-由于SQL造成事务失败 -1 由于Oracle造成事务失败 1-整体事务执行成功</returns>
-        public static int ExecuteSqlTran(List<CommandInfo> list, List<CommandInfo> oracleCmdSqlList)
-        {
-            using (SqlConnection conn = new SqlConnection(connectionString))
-            {
-                conn.Open();
-                SqlCommand cmd = new SqlCommand();
-                cmd.Connection = conn;
-                SqlTransaction tx = conn.BeginTransaction();
-                cmd.Transaction = tx;
-                try
-                {
-                    foreach (CommandInfo myDE in list)
-                    {
-                        string cmdText = myDE.CommandText;
-                        SqlParameter[] cmdParms = (SqlParameter[])myDE.Parameters;
-                        PrepareCommand(cmd, conn, tx, cmdText, cmdParms);
-                        if (myDE.EffentNextType == EffentNextType.SolicitationEvent)
-                        {
-                            if (myDE.CommandText.ToLower().IndexOf("count(") == -1)
-                            {
-                                tx.Rollback();
-                                throw new Exception("违背要求" + myDE.CommandText + "必须符合select count(..的格式");
-                                //return 0;
-                            }
-
-                            object obj = cmd.ExecuteScalar();
-                            bool isHave = false;
-                            if (obj == null && obj == DBNull.Value)
-                            {
-                                isHave = false;
-                            }
-                            isHave = Convert.ToInt32(obj) > 0;
-                            if (isHave)
-                            {
-                                //引发事件
-                                myDE.OnSolicitationEvent();
-                            }
-                        }
-                        if (myDE.EffentNextType == EffentNextType.WhenHaveContine || myDE.EffentNextType == EffentNextType.WhenNoHaveContine)
-                        {
-                            if (myDE.CommandText.ToLower().IndexOf("count(") == -1)
-                            {
-                                tx.Rollback();
-                                throw new Exception("SQL:违背要求" + myDE.CommandText + "必须符合select count(..的格式");
-                                //return 0;
-                            }
-
-                            object obj = cmd.ExecuteScalar();
-                            bool isHave = false;
-                            if (obj == null && obj == DBNull.Value)
-                            {
-                                isHave = false;
-                            }
-                            isHave = Convert.ToInt32(obj) > 0;
-
-                            if (myDE.EffentNextType == EffentNextType.WhenHaveContine && !isHave)
-                            {
-                                tx.Rollback();
-                                throw new Exception("SQL:违背要求" + myDE.CommandText + "返回值必须大于0");
-                                //return 0;
-                            }
-                            if (myDE.EffentNextType == EffentNextType.WhenNoHaveContine && isHave)
-                            {
-                                tx.Rollback();
-                                throw new Exception("SQL:违背要求" + myDE.CommandText + "返回值必须等于0");
-                                //return 0;
-                            }
-                            continue;
-                        }
-                        int val = cmd.ExecuteNonQuery();
-                        if (myDE.EffentNextType == EffentNextType.ExcuteEffectRows && val == 0)
-                        {
-                            tx.Rollback();
-                            throw new Exception("SQL:违背要求" + myDE.CommandText + "必须有影响行");
-                            //return 0;
-                        }
-                        cmd.Parameters.Clear();
-                    }
-                    //string oraConnectionString = PubConstant.GetConnectionString("ConnectionStringPPC");
-                    //bool res = OracleHelper.ExecuteSqlTran(oraConnectionString, oracleCmdSqlList);
-                    //if (!res)
-                    //{
-                    //    tx.Rollback();
-                    //    throw new Exception("Oracle执行失败");
-                    // return -1;
-                    //}
-                    tx.Commit();
-                    return 1;
-                }
-                catch (System.Data.SqlClient.SqlException e)
-                {
-                    tx.Rollback();
-                    throw e;
-                }
-                catch (Exception e)
-                {
-                    tx.Rollback();
-                    throw e;
-                }
-            }
-        }
-        /// <summary>
-        /// 执行多条SQL语句，实现数据库事务。
-        /// </summary>
-        /// <param name="SQLStringList">多条SQL语句</param>		
-        public static int ExecuteSqlTran(List<String> SQLStringList)
-        {
-            using (SqlConnection conn = new SqlConnection(connectionString))
-            {
-                conn.Open();
-                SqlCommand cmd = new SqlCommand();
-                cmd.Connection = conn;
-                SqlTransaction tx = conn.BeginTransaction();
-                cmd.Transaction = tx;
-                try
-                {
-                    int count = 0;
-                    for (int n = 0; n < SQLStringList.Count; n++)
-                    {
-                        string strsql = SQLStringList[n];
-                        if (strsql.Trim().Length > 1)
-                        {
-                            cmd.CommandText = strsql;
-                            count += cmd.ExecuteNonQuery();
-                        }
-                    }
-                    tx.Commit();
-                    return count;
-                }
-                catch
-                {
-                    tx.Rollback();
-                    return 0;
-                }
-            }
-        }
-        /// <summary>
-        /// 执行带一个存储过程参数的的SQL语句。
-        /// </summary>
-        /// <param name="SQLString">SQL语句</param>
-        /// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
-        /// <returns>影响的记录数</returns>
-        public static int ExecuteSql(string SQLString, string content)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                SqlCommand cmd = new SqlCommand(SQLString, connection);
-                System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
-                myParameter.Value = content;
-                cmd.Parameters.Add(myParameter);
-                try
-                {
-                    connection.Open();
-                    int rows = cmd.ExecuteNonQuery();
-                    return rows;
-                }
-                catch (System.Data.SqlClient.SqlException e)
-                {
-                    throw e;
-                }
-                finally
-                {
-                    cmd.Dispose();
-                    connection.Close();
-                }
-            }
-        }
-        /// <summary>
-        /// 执行带一个存储过程参数的的SQL语句。
-        /// </summary>
-        /// <param name="SQLString">SQL语句</param>
-        /// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
-        /// <returns>影响的记录数</returns>
-        public static object ExecuteSqlGet(string SQLString, string content)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                SqlCommand cmd = new SqlCommand(SQLString, connection);
-                System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
-                myParameter.Value = content;
-                cmd.Parameters.Add(myParameter);
-                try
-                {
-                    connection.Open();
-                    object obj = cmd.ExecuteScalar();
-                    if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-                    {
-                        return null;
-                    }
-                    else
-                    {
-                        return obj;
-                    }
-                }
-                catch (System.Data.SqlClient.SqlException e)
-                {
-                    throw e;
-                }
-                finally
-                {
-                    cmd.Dispose();
-                    connection.Close();
-                }
-            }
-        }
-        /// <summary>
-        /// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
-        /// </summary>
-        /// <param name="strSQL">SQL语句</param>
-        /// <param name="fs">图像字节,数据库的字段类型为image的情况</param>
-        /// <returns>影响的记录数</returns>
-        public static int ExecuteSqlInsertImg(string strSQL, byte[] fs)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                SqlCommand cmd = new SqlCommand(strSQL, connection);
-                System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@fs", SqlDbType.Image);
-                myParameter.Value = fs;
-                cmd.Parameters.Add(myParameter);
-                try
-                {
-                    connection.Open();
-                    int rows = cmd.ExecuteNonQuery();
-                    return rows;
-                }
-                catch (System.Data.SqlClient.SqlException e)
-                {
-                    throw e;
-                }
-                finally
-                {
-                    cmd.Dispose();
-                    connection.Close();
-                }
-            }
-        }
-
-        /// <summary>
-        /// 执行一条计算查询结果语句，返回查询结果（object）。
-        /// </summary>
-        /// <param name="SQLString">计算查询结果语句</param>
-        /// <returns>查询结果（object）</returns>
-        public static object GetSingle(string SQLString)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
-                {
-                    try
-                    {
-                        connection.Open();
-                        object obj = cmd.ExecuteScalar();
-                        if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-                        {
-                            return null;
-                        }
-                        else
-                        {
-                            return obj;
-                        }
-                    }
-                    catch (System.Data.SqlClient.SqlException e)
-                    {
-                        connection.Close();
-                        throw e;
-                    }
-                }
-            }
-        }
-        public static object GetSingle(string SQLString, int Times)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                using (SqlCommand cmd = new SqlCommand(SQLString, connection))
-                {
-                    try
-                    {
-                        connection.Open();
-                        cmd.CommandTimeout = Times;
-                        object obj = cmd.ExecuteScalar();
-                        if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-                        {
-                            return null;
-                        }
-                        else
-                        {
-                            return obj;
-                        }
-                    }
-                    catch (System.Data.SqlClient.SqlException e)
-                    {
-                        connection.Close();
-                        throw e;
-                    }
-                }
-            }
-        }
-        /// <summary>
-        /// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
-        /// </summary>
-        /// <param name="strSQL">查询语句</param>
-        /// <returns>SqlDataReader</returns>
-        public static SqlDataReader ExecuteReader(string strSQL)
-        {
-            SqlConnection connection = new SqlConnection(connectionString);
-            SqlCommand cmd = new SqlCommand(strSQL, connection);
-            try
-            {
-                connection.Open();
-                SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
-                return myReader;
-            }
-            catch (System.Data.SqlClient.SqlException e)
-            {
-                throw e;
-            }
-
-        }
-        /// <summary>
-        /// 执行查询语句，返回DataSet
-        /// </summary>
-        /// <param name="SQLString">查询语句</param>
-        /// <returns>DataSet</returns>
-        public static DataSet Query(string SQLString)
-        {
-
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                DataSet ds = new DataSet();
-                try
-                {
-                    connection.Open();
-                    SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
-                    command.Fill(ds, "ds");
-                }
-                catch (System.Data.SqlClient.SqlException ex)
-                {
-                    throw new Exception(ex.Message);
-                }
-                return ds;
-            }
-
-        }
-        public static DataSet Query(string SQLString, int Times)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                DataSet ds = new DataSet();
-                try
-                {
-                    connection.Open();
-                    SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
-                    command.SelectCommand.CommandTimeout = Times;
-                    command.Fill(ds, "ds");
-                }
-                catch (System.Data.SqlClient.SqlException ex)
-                {
-                    throw new Exception(ex.Message);
-                }
-                return ds;
-            }
-        }
-
-        /// <summary>
-        /// 2012-2-21新增重载，执行查询语句，返回DataSet
-        /// </summary>
-        /// <param name="connection">SqlConnection对象</param>
-        /// <param name="trans">SqlTransaction事务</param>
-        /// <param name="SQLString">SQL语句</param>
-        /// <returns>DataSet</returns>
-        public static DataSet Query(SqlConnection connection, SqlTransaction trans, string SQLString)
-        {
-            DataSet ds = new DataSet();
-            try
-            {
-                SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
-                command.SelectCommand.Transaction = trans;
-                command.Fill(ds, "ds");
-            }
-            catch (System.Data.SqlClient.SqlException ex)
-            {
-                throw new Exception(ex.Message);
-            }
-            return ds;
-
-        }
-
-
-        #endregion
-
-        #region 执行带参数的SQL语句
-
-        /// <summary>
-        /// 执行SQL语句，返回影响的记录数
-        /// </summary>
-        /// <param name="SQLString">SQL语句</param>
-        /// <returns>影响的记录数</returns>
-        public static int ExecuteSql(string SQLString, params SqlParameter[] cmdParms)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                using (SqlCommand cmd = new SqlCommand())
-                {
-                    try
-                    {
-                        PrepareCommand(cmd, connection, null, SQLString, cmdParms);
-                        int rows = cmd.ExecuteNonQuery();
-                        cmd.Parameters.Clear();
-                        return rows;
-                    }
-                    catch (System.Data.SqlClient.SqlException e)
-                    {
-                        throw e;
-                    }
-                }
-            }
-        }
-
-        /// <summary>
-        /// 2012-2-29新增重载，执行SQL语句，返回影响的记录数
-        /// </summary>
-        /// <param name="connection">SqlConnection对象</param>
-        /// <param name="trans">SqlTransaction对象</param>
-        /// <param name="SQLString">SQL语句</param>
-        /// <returns>影响的记录数</returns>
-        public static int ExecuteSql(SqlConnection connection, SqlTransaction trans, string SQLString, params SqlParameter[] cmdParms)
-        {
-            using (SqlCommand cmd = new SqlCommand())
-            {
-                try
-                {
-                    PrepareCommand(cmd, connection, trans, SQLString, cmdParms);
-                    int rows = cmd.ExecuteNonQuery();
-                    cmd.Parameters.Clear();
-                    return rows;
-                }
-                catch (System.Data.SqlClient.SqlException e)
-                {
-                    trans.Rollback();
-                    throw e;
-                }
-            }
-        }
-
-        /// <summary>
-        /// 执行多条SQL语句，实现数据库事务。
-        /// </summary>
-        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
-        public static void ExecuteSqlTran(Hashtable SQLStringList)
-        {
-            using (SqlConnection conn = new SqlConnection(connectionString))
-            {
-                conn.Open();
-                using (SqlTransaction trans = conn.BeginTransaction())
-                {
-                    SqlCommand cmd = new SqlCommand();
-                    try
-                    {
-                        //循环
-                        foreach (DictionaryEntry myDE in SQLStringList)
-                        {
-                            string cmdText = myDE.Key.ToString();
-                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
-                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
-                            int val = cmd.ExecuteNonQuery();
-                            cmd.Parameters.Clear();
-                        }
-                        trans.Commit();
-                    }
-                    catch
-                    {
-                        trans.Rollback();
-                        throw;
-                    }
-                }
-            }
-        }
-        /// <summary>
-        /// 执行多条SQL语句，实现数据库事务。
-        /// </summary>
-        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
-        public static int ExecuteSqlTran(System.Collections.Generic.List<CommandInfo> cmdList)
-        {
-            using (SqlConnection conn = new SqlConnection(connectionString))
-            {
-                conn.Open();
-                using (SqlTransaction trans = conn.BeginTransaction())
-                {
-                    SqlCommand cmd = new SqlCommand();
-                    try
-                    {
-                        int count = 0;
-                        //循环
-                        foreach (CommandInfo myDE in cmdList)
-                        {
-                            string cmdText = myDE.CommandText;
-                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Parameters;
-                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
-
-                            if (myDE.EffentNextType == EffentNextType.WhenHaveContine || myDE.EffentNextType == EffentNextType.WhenNoHaveContine)
-                            {
-                                if (myDE.CommandText.ToLower().IndexOf("count(") == -1)
-                                {
-                                    trans.Rollback();
-                                    return 0;
-                                }
-
-                                object obj = cmd.ExecuteScalar();
-                                bool isHave = false;
-                                if (obj == null && obj == DBNull.Value)
-                                {
-                                    isHave = false;
-                                }
-                                isHave = Convert.ToInt32(obj) > 0;
-
-                                if (myDE.EffentNextType == EffentNextType.WhenHaveContine && !isHave)
-                                {
-                                    trans.Rollback();
-                                    return 0;
-                                }
-                                if (myDE.EffentNextType == EffentNextType.WhenNoHaveContine && isHave)
-                                {
-                                    trans.Rollback();
-                                    return 0;
-                                }
-                                continue;
-                            }
-                            int val = cmd.ExecuteNonQuery();
-                            count += val;
-                            if (myDE.EffentNextType == EffentNextType.ExcuteEffectRows && val == 0)
-                            {
-                                trans.Rollback();
-                                return 0;
-                            }
-                            cmd.Parameters.Clear();
-                        }
-                        trans.Commit();
-                        return count;
-                    }
-                    catch
-                    {
-                        trans.Rollback();
-                        throw;
-                    }
-                }
-            }
-        }
-        /// <summary>
-        /// 执行多条SQL语句，实现数据库事务。
-        /// </summary>
-        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
-        public static void ExecuteSqlTranWithIndentity(System.Collections.Generic.List<CommandInfo> SQLStringList)
-        {
-            using (SqlConnection conn = new SqlConnection(connectionString))
-            {
-                conn.Open();
-                using (SqlTransaction trans = conn.BeginTransaction())
-                {
-                    SqlCommand cmd = new SqlCommand();
-                    try
-                    {
-                        int indentity = 0;
-                        //循环
-                        foreach (CommandInfo myDE in SQLStringList)
-                        {
-                            string cmdText = myDE.CommandText;
-                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Parameters;
-                            foreach (SqlParameter q in cmdParms)
-                            {
-                                if (q.Direction == ParameterDirection.InputOutput)
-                                {
-                                    q.Value = indentity;
-                                }
-                            }
-                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
-                            int val = cmd.ExecuteNonQuery();
-                            foreach (SqlParameter q in cmdParms)
-                            {
-                                if (q.Direction == ParameterDirection.Output)
-                                {
-                                    indentity = Convert.ToInt32(q.Value);
-                                }
-                            }
-                            cmd.Parameters.Clear();
-                        }
-                        trans.Commit();
-                    }
-                    catch
-                    {
-                        trans.Rollback();
-                        throw;
-                    }
-                }
-            }
-        }
-        /// <summary>
-        /// 执行多条SQL语句，实现数据库事务。
-        /// </summary>
-        /// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
-        public static void ExecuteSqlTranWithIndentity(Hashtable SQLStringList)
-        {
-            using (SqlConnection conn = new SqlConnection(connectionString))
-            {
-                conn.Open();
-                using (SqlTransaction trans = conn.BeginTransaction())
-                {
-                    SqlCommand cmd = new SqlCommand();
-                    try
-                    {
-                        int indentity = 0;
-                        //循环
-                        foreach (DictionaryEntry myDE in SQLStringList)
-                        {
-                            string cmdText = myDE.Key.ToString();
-                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
-                            foreach (SqlParameter q in cmdParms)
-                            {
-                                if (q.Direction == ParameterDirection.InputOutput)
-                                {
-                                    q.Value = indentity;
-                                }
-                            }
-                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
-                            int val = cmd.ExecuteNonQuery();
-                            foreach (SqlParameter q in cmdParms)
-                            {
-                                if (q.Direction == ParameterDirection.Output)
-                                {
-                                    indentity = Convert.ToInt32(q.Value);
-                                }
-                            }
-                            cmd.Parameters.Clear();
-                        }
-                        trans.Commit();
-                    }
-                    catch
-                    {
-                        trans.Rollback();
-                        throw;
-                    }
-                }
-            }
-        }
-        /// <summary>
-        /// 执行一条计算查询结果语句，返回查询结果（object）。
-        /// </summary>
-        /// <param name="SQLString">计算查询结果语句</param>
-        /// <returns>查询结果（object）</returns>
-        public static object GetSingle(string SQLString, params SqlParameter[] cmdParms)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                using (SqlCommand cmd = new SqlCommand())
-                {
-                    try
-                    {
-                        PrepareCommand(cmd, connection, null, SQLString, cmdParms);
-                        object obj = cmd.ExecuteScalar();
-                        cmd.Parameters.Clear();
-                        if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-                        {
-                            return null;
-                        }
-                        else
-                        {
-                            return obj;
-                        }
-                    }
-                    catch (System.Data.SqlClient.SqlException e)
-                    {
-                        throw e;
-                    }
-                }
-            }
-        }
-
-        /// <summary>
-        /// 2012-2-21新增重载，执行一条计算查询结果语句，返回查询结果（object）。
-        /// </summary>
-        /// <param name="connection">SqlConnection对象</param>
-        /// <param name="trans">SqlTransaction事务</param>
-        /// <param name="SQLString">计算查询结果语句</param>
-        /// <returns>查询结果（object）</returns>
-        public static object GetSingle(SqlConnection connection, SqlTransaction trans, string SQLString, params SqlParameter[] cmdParms)
-        {
-            using (SqlCommand cmd = new SqlCommand())
-            {
-                try
-                {
-                    PrepareCommand(cmd, connection, trans, SQLString, cmdParms);
-                    object obj = cmd.ExecuteScalar();
-                    cmd.Parameters.Clear();
-                    if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
-                    {
-                        return null;
-                    }
-                    else
-                    {
-                        return obj;
-                    }
-                }
-                catch (System.Data.SqlClient.SqlException e)
-                {
-                    trans.Rollback();
-                    throw e;
-                }
-            }
-        }
-
-        /// <summary>
-        /// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
-        /// </summary>
-        /// <param name="strSQL">查询语句</param>
-        /// <returns>SqlDataReader</returns>
-        public static SqlDataReader ExecuteReader(string SQLString, params SqlParameter[] cmdParms)
-        {
-            SqlConnection connection = new SqlConnection(connectionString);
-            SqlCommand cmd = new SqlCommand();
-            try
-            {
-                PrepareCommand(cmd, connection, null, SQLString, cmdParms);
-                SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
-                cmd.Parameters.Clear();
-                return myReader;
-            }
-            catch (System.Data.SqlClient.SqlException e)
-            {
-                throw e;
-            }
-            //			finally
-            //			{
-            //				cmd.Dispose();
-            //				connection.Close();
-            //			}	
-
-        }
-
-        /// <summary>
-        /// 执行查询语句，返回DataSet
-        /// </summary>
-        /// <param name="SQLString">查询语句</param>
-        /// <returns>DataSet</returns>
-        public static DataSet Query(string SQLString, params SqlParameter[] cmdParms)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                SqlCommand cmd = new SqlCommand();
-                PrepareCommand(cmd, connection, null, SQLString, cmdParms);
-                using (SqlDataAdapter da = new SqlDataAdapter(cmd))
-                {
-                    DataSet ds = new DataSet();
-                    try
-                    {
-                        da.Fill(ds, "ds");
-                        cmd.Parameters.Clear();
-                    }
-                    catch (System.Data.SqlClient.SqlException ex)
-                    {
-                        throw new Exception(ex.Message);
-                    }
-                    return ds;
-                }
-            }
-        }
-
-        /// <summary>
-        /// 2012-2-21新增重载，执行查询语句，返回DataSet
-        /// </summary>
-        /// <param name="connection">SqlConnection对象</param>
-        /// <param name="trans">SqlTransaction事务</param>
-        /// <param name="SQLString">查询语句</param>
-        /// <returns>DataSet</returns>
-        public static DataSet Query(SqlConnection connection, SqlTransaction trans, string SQLString, params SqlParameter[] cmdParms)
-        {
-            SqlCommand cmd = new SqlCommand();
-            PrepareCommand(cmd, connection, trans, SQLString, cmdParms);
-            using (SqlDataAdapter da = new SqlDataAdapter(cmd))
-            {
-                DataSet ds = new DataSet();
-                try
-                {
-                    da.Fill(ds, "ds");
-                    cmd.Parameters.Clear();
-                }
-                catch (System.Data.SqlClient.SqlException ex)
-                {
-                    trans.Rollback();
-                    throw new Exception(ex.Message);
-                }
-                return ds;
-            }
-        }
-
-
-        private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, string cmdText, SqlParameter[] cmdParms)
-        {
-            if (conn.State != ConnectionState.Open)
-                conn.Open();
-            cmd.Connection = conn;
-            cmd.CommandText = cmdText;
-            if (trans != null)
-                cmd.Transaction = trans;
-            cmd.CommandType = CommandType.Text;//cmdType;
-            if (cmdParms != null)
-            {
-
-
-                foreach (SqlParameter parameter in cmdParms)
-                {
-                    if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
-                        (parameter.Value == null))
-                    {
-                        parameter.Value = DBNull.Value;
-                    }
-                    cmd.Parameters.Add(parameter);
-                }
-            }
-        }
-
-        #endregion
-
-        #region 存储过程操作
-
-        /// <summary>
-        /// 执行存储过程，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
-        /// </summary>
-        /// <param name="storedProcName">存储过程名</param>
-        /// <param name="parameters">存储过程参数</param>
-        /// <returns>SqlDataReader</returns>
-        public static SqlDataReader RunProcedure(string storedProcName, IDataParameter[] parameters)
-        {
-            SqlConnection connection = new SqlConnection(connectionString);
-            SqlDataReader returnReader;
-            connection.Open();
-            SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
-            command.CommandType = CommandType.StoredProcedure;
-            returnReader = command.ExecuteReader(CommandBehavior.CloseConnection);
-            return returnReader;
-
-        }
-
-
-        /// <summary>
-        /// 执行存储过程
-        /// </summary>
-        /// <param name="storedProcName">存储过程名</param>
-        /// <param name="parameters">存储过程参数</param>
-        /// <param name="tableName">DataSet结果中的表名</param>
-        /// <returns>DataSet</returns>
-        public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                DataSet dataSet = new DataSet();
-                connection.Open();
-                SqlDataAdapter sqlDA = new SqlDataAdapter();
-                sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
-                sqlDA.Fill(dataSet, tableName);
-                connection.Close();
-                return dataSet;
-            }
-        }
-        public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName, int Times)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                DataSet dataSet = new DataSet();
-                connection.Open();
-                SqlDataAdapter sqlDA = new SqlDataAdapter();
-                sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
-                sqlDA.SelectCommand.CommandTimeout = Times;
-                sqlDA.Fill(dataSet, tableName);
-                connection.Close();
-                return dataSet;
-            }
-        }
-
-
-        /// <summary>
-        /// 构建 SqlCommand 对象(用来返回一个结果集，而不是一个整数值)
-        /// </summary>
-        /// <param name="connection">数据库连接</param>
-        /// <param name="storedProcName">存储过程名</param>
-        /// <param name="parameters">存储过程参数</param>
-        /// <returns>SqlCommand</returns>
-        private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
-        {
-            SqlCommand command = new SqlCommand(storedProcName, connection);
-            command.CommandType = CommandType.StoredProcedure;
-            foreach (SqlParameter parameter in parameters)
-            {
-                if (parameter != null)
-                {
-                    // 检查未分配值的输出参数,将其分配以DBNull.Value.
-                    if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
-                        (parameter.Value == null))
-                    {
-                        parameter.Value = DBNull.Value;
-                    }
-                    command.Parameters.Add(parameter);
-                }
-            }
-
-            return command;
-        }
-
-        /// <summary>
-        /// 执行存储过程，返回影响的行数		
-        /// </summary>
-        /// <param name="storedProcName">存储过程名</param>
-        /// <param name="parameters">存储过程参数</param>
-        /// <param name="rowsAffected">影响的行数</param>
-        /// <returns></returns>
-        public static int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)
-        {
-            using (SqlConnection connection = new SqlConnection(connectionString))
-            {
-                int result;
-                connection.Open();
-                SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
-                rowsAffected = command.ExecuteNonQuery();
-                result = (int)command.Parameters["ReturnValue"].Value;
-                //Connection.Close();
-                return result;
-            }
-        }
-
-        /// <summary>
-        /// 创建 SqlCommand 对象实例(用来返回一个整数值)	
-        /// </summary>
-        /// <param name="storedProcName">存储过程名</param>
-        /// <param name="parameters">存储过程参数</param>
-        /// <returns>SqlCommand 对象实例</returns>
-        private static SqlCommand BuildIntCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
-        {
-            SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
-            command.Parameters.Add(new SqlParameter("ReturnValue",
-                SqlDbType.Int, 4, ParameterDirection.ReturnValue,
-                false, 0, 0, string.Empty, DataRowVersion.Default, null));
-            return command;
-        }
-        #endregion
-
-    }
-}