|
--------------------------------
--查询语句
select * from promary
select * from city创建DB.cs实现代码重用
using System;
using System.Data.SqlClient;
namespace DBPromary
...{
public class DB
...{
public DB()
...{
//
// TODO: 在此处添加构造函数逻辑
//
}
public static SqlConnectioncreateConnection()
...{
SqlConnection con=newSqlConnection("server='local';database='DBPromary';userid='**';password='***'");
return con;
}
}
}
?
|