using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Data;

using System.Data.SqlClient;

///

/// 执行查询首行首列的SQL语句

///

/// 要执行的SQL语句-string

///

public static string ExecuteSql_string(string sql)

{

string str = "";

SqlConnection con = new SqlConnection("DRIVER=SQL Server;SERVER=192.168.1.201;UID=sa;PWD=;DATABASE=ku") ;

try

{

OpenCon(con);

SqlCommand cmd = new SqlCommand();

cmd.Connection = con;

cmd.CommandText = sql;

str = Convert.ToString(cmd.ExecuteScalar());

}

catch (Exception err)

{

throw new Exception(err.Message);

}

finally

{

CloseCon(con);

}

return str;

}

MsgBOX

MsgBOX.Show(ExecuteSql_string("select sum(lie) from biao"));。