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Sql Server数据库的查询、更新(删除、更新、新增)函数封装

喜欢猪猪 发布时间:2018-05-21 10:21:55 ,浏览量:2

#region    引用
using System; using System.Collections.Generic; using System.Data; using System.Data.Common;
using System.Linq; using System.Text; using System.Threading.Tasks; using System.Data.SqlClient;
#endregion 

public static void ExecuteSqlNonQuery(string SQL)         {                        SqlConnection sqlCnn = new SqlConnection(strCnn);             sqlCnn.Open();             try             {                 StringBuilder build = new StringBuilder();                 build.AppendFormat(SQL.ToString());                 SqlCommand sqlCmm = new SqlCommand(build.ToString(), sqlCnn);                 sqlCmm.ExecuteNonQuery();             }             catch (Exception ex)             {                // LoggerHelper.WriteLog("", "", DateTime.Now.ToString() + "数据库操作异常" + ex.Message);             }             finally             {                 sqlCnn.Close();             }         }
        ///         ///         ///         ///         ///         public static DataTable ExecuteSqlForDT(string SQL)         {                        DataSet ds = new DataSet();             using (SqlConnection sqlCnn = new SqlConnection(strCnn))             {                 sqlCnn.Open();                 try                 {                     SqlCommand sqlCmm = new SqlCommand(SQL.ToString(), sqlCnn);                     sqlCmm.CommandType = CommandType.Text;                     SqlDataAdapter da = new SqlDataAdapter(sqlCmm);                     da.Fill(ds);                 }                 catch (Exception ex)                 {                    // LoggerHelper.WriteLog("", "", DateTime.Now.ToString() + "数据库操作异常"+ ex.Message);                 }                 finally                 {                     sqlCnn.Close();                 }             }             return ds.Tables[0];         }
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