default2.aspx.cs

来自「一个简单的信息系统 系统用户管理 编辑系统用户 新增系统用户」· CS 代码 · 共 34 行

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class Default2 : System.Web.UI.Page
{
    SqlConnection cn;
    protected void Page_Load(object sender, EventArgs e)
    {
        string strconn = ConfigurationSettings.AppSettings["ConnectionString"];
        cn = new SqlConnection(strconn);
        cn.Open();
        SqlCommand cm = new SqlCommand("select * from client where client_id=2", cn);       
        SqlDataReader dr = cm.ExecuteReader();
        if (dr.Read())
        {
            client_id.Text=dr(0);
        }
        else
        {
            
        }
        cn.Close();
    }
}