101 lines
2.4 KiB
C#
101 lines
2.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Epost.DAL
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{
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public class HistoryDataDAL
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{
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DataBaseOpration.OprationSqlDAL db = DB_DLL.GetInstance();
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#region 删除表名
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public bool DeleteTable(string table)
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{
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//执行删除语句
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string sql = "";
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if (table == "Ordershis")
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{
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sql = "delete from Ordershis where state!=3";
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}
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else
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{
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sql = "delete from {0}";
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sql = string.Format(sql, table);
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}
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//如果表中数据为空
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string sql1 = "select count(*) from {0}";
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sql1 = string.Format(sql1, table);
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DataTable dt = db.GetsqlForDT(sql1);
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int y = Convert.ToInt32(dt.Rows[0][0].ToString());
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if (y == 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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int x = db.InsertSql(sql);
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if (x > 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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}
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#endregion
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#region 保存删除时间(数据库数据)
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public bool SaveTime(String table, string date)
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{
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int x = -1;
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string sql = "alter proceduce proceduce_delete " +
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"as delete from {0} where {1}<DATEADD(DAY,{2} GETDATE()) go " +
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"Execute proceduce_delete";
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if (table == "Error")
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{
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sql = string.Format(sql, table, "date", Convert.ToInt32(date) * (-1), "GETDATE()");
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}
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else if (table == "Orders")
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{
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sql = string.Format(sql, table, "downdate", Convert.ToInt32(date) * (-1), "GETDATE()");
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}
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//GetsqlForDT
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x = db.InsertSql(sql);
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if (x != -1)
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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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#endregion
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#region 查询历史数据
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public DataTable HistoryData()
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{
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string sql = "exec sys_viewtablespace";
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DataTable dt = db.GetsqlForDT(sql);
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return dt;
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}
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#endregion
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}
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}
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