www.pudn.com > FORU(SMS).rar > DataConn.cs

using System; 
using System.Collections.Generic; 
using System.Text; 
using System.Data; 
using System.Data.SqlClient; 
 
namespace FORU_SMS_.BaseClass 
{ 
    public class DataConn 
    { 
        protected SqlConnection Conn; 
 
        public SqlConnection OpenConn() 
        { 
            Conn = new SqlConnection(@"Data Source=.\SQLEXPRESS; AttachDbFilename=|DataDirectory|\FORUSMS.MDF;Integrated Security=True; User Instance = True"); 
            Conn.Open(); 
            return Conn; 
        } 
        //关闭数据库 
        public void CloseConn() 
        { 
            if (Conn.State == ConnectionState.Open) 
            { 
                Conn.Close(); 
                Conn.Dispose(); 
            } 
        } 
    } 
}