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268 righe
9.6 KiB
268 righe
9.6 KiB
using System;
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using System.Data;
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using System.Text;
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using System.Data.SqlClient;
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namespace Basic.DAL
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{
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/// <summary>
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/// 数据访问层
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/// </summary>
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public partial class bianliang
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{
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#region 此代码由工具生成
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/// <summary>
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/// 增加一条数据
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/// </summary>
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public int Add(Basic.Model.bianliang model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("insert into tb_bianliang(");
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strSql.Append("paixu,keyid,zhi,beizhu,status,add_time)");
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strSql.Append(" values (");
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strSql.Append("@paixu,@keyid,@zhi,@beizhu,@status,@add_time)");
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strSql.Append(";select @@IDENTITY");
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SqlParameter[] parameters = {
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new SqlParameter("@paixu", SqlDbType.Int,10),
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new SqlParameter("@keyid", SqlDbType.NVarChar,255),
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new SqlParameter("@zhi", SqlDbType.NText,1073741823),
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new SqlParameter("@beizhu", SqlDbType.NText,1073741823),
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new SqlParameter("@status", SqlDbType.Int,10),
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new SqlParameter("@add_time", SqlDbType.DateTime,23)};
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parameters[0].Value = model.paixu;
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parameters[1].Value = model.keyid;
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parameters[2].Value = model.zhi;
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parameters[3].Value = model.beizhu;
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parameters[4].Value = model.status;
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parameters[5].Value = model.add_time;
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object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
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if (obj == null)
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{
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return 0;
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}
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else
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{
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return Convert.ToInt32(obj);
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}
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}
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/// <summary>
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/// 更新一条数据
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/// </summary>
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public bool Update(Basic.Model.bianliang model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update tb_bianliang set ");
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strSql.Append("paixu=@paixu,");
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strSql.Append("keyid=@keyid,");
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strSql.Append("zhi=@zhi,");
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strSql.Append("beizhu=@beizhu,");
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strSql.Append("status=@status,");
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strSql.Append("add_time=@add_time");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@paixu", SqlDbType.Int,10),
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new SqlParameter("@keyid", SqlDbType.NVarChar,255),
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new SqlParameter("@zhi", SqlDbType.NText,1073741823),
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new SqlParameter("@beizhu", SqlDbType.NText,1073741823),
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new SqlParameter("@status", SqlDbType.Int,10),
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new SqlParameter("@add_time", SqlDbType.DateTime,23),
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = model.paixu;
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parameters[1].Value = model.keyid;
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parameters[2].Value = model.zhi;
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parameters[3].Value = model.beizhu;
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parameters[4].Value = model.status;
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parameters[5].Value = model.add_time;
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parameters[6].Value = model.id;
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int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 删除一条数据
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/// </summary>
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public bool Delete(int id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("delete from tb_bianliang");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = id;
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int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 得到一个对象实体
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/// </summary>
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public Basic.Model.bianliang GetModel(int id)
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{
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StringBuilder strSql=new StringBuilder();
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strSql.Append("select top 1 id,paixu,keyid,zhi,beizhu,status,add_time from tb_bianliang");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = id;
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Basic.Model.bianliang model = new Basic.Model.bianliang();
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DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
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if (ds.Tables[0].Rows.Count > 0)
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{
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["id"].ToString()))
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{
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model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["paixu"].ToString()))
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{
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model.paixu = int.Parse(ds.Tables[0].Rows[0]["paixu"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["keyid"].ToString()))
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{
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model.keyid = ds.Tables[0].Rows[0]["keyid"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["zhi"].ToString()))
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{
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model.zhi = ds.Tables[0].Rows[0]["zhi"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["beizhu"].ToString()))
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{
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model.beizhu = ds.Tables[0].Rows[0]["beizhu"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["status"].ToString()))
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{
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model.status = int.Parse(ds.Tables[0].Rows[0]["status"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["add_time"].ToString()))
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{
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model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString());
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}
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return model;
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 获得前几行数据
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/// </summary>
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public DataSet GetList(int Top, string strWhere, string filedOrder)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select ");
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if (Top > 0)
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{
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strSql.Append(" top " + Top.ToString());
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}
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strSql.Append("id,paixu,keyid,zhi,beizhu,status,add_time");
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strSql.Append(" from tb_bianliang");
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if (strWhere.Trim() != "")
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{
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strSql.Append(" where " + strWhere);
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}
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strSql.Append(" order by " + filedOrder);
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return DbHelperSQL.Query(strSql.ToString());
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}
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/// <summary>
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/// 获得查询分页数据
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/// </summary>
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public DataSet GetList(string _strWhere, string _orderby, int _pageSize, int _page, out int recordCount)
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{
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BasicPage bp = new BasicPage();
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StringBuilder str_Sql = new StringBuilder();
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str_Sql.Append("select top " + _pageSize + " id,paixu,keyid,zhi,beizhu,status,add_time from tb_bianliang");
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str_Sql.Append(" where ");
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str_Sql.Append(_strWhere);
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str_Sql.Append(" and id not in ");
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str_Sql.Append(" ( ");
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str_Sql.Append(" select top " + (_page - 1) * _pageSize + " id from tb_bianliang ");
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str_Sql.Append(" where ");
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str_Sql.Append(_strWhere);
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str_Sql.Append(" order by ");
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str_Sql.Append(_orderby);
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str_Sql.Append(" ) ");
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str_Sql.Append(" order by ");
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str_Sql.Append(_orderby);
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DataSet dst = bp.SelectDataBase("tb_bianliang", str_Sql.ToString());
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//
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recordCount = totlePage(showTotal(_strWhere), _pageSize);
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return dst;
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}
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//总页数
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public int totlePage(int Total, int PageSize)
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{
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if (Total % PageSize == 0)
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{
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return Total / PageSize;
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}
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else
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{
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return Total / PageSize + 1;
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}
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}
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//总条数
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protected int showTotal(string strSql)
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{
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BasicPage bp = new BasicPage();
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int intTotal = 0;
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SqlDataReader myread = bp.getRead("select count(id) as CountId from tb_bianliang where " + strSql);
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if (myread.Read())
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{
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intTotal = Convert.ToInt32(myread["CountId"].ToString());
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}
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myread.Close();
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return intTotal;
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}
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/// <summary>
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/// 是否存在该记录
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/// </summary>
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public bool Exists(int id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select count(1) from tb_bianliang");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = id;
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return DbHelperSQL.Exists(strSql.ToString(), parameters);
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}
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/// <summary>
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/// 修改一列数据
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/// </summary>
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public void UpdateField(int id, string strValue)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update tb_bianliang set " + strValue);
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strSql.Append(" where id=" + id);
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DbHelperSQL.ExecuteSql(strSql.ToString());
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}
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#endregion
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}
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}
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