Admin/Modify_KH.aspx.cs

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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 Admin_Modify_KH : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            SqlDataReader dr = data.GetDataReader("select * from dbo.KeHu where id=" + Request.QueryString["id"].ToString());
            if (dr.Read())
            {

                txtUser.Text = dr["ZheKou"].ToString();
                TextBox1.Text = dr["UserName"].ToString();
                TextBox2.Text = dr["TEl"].ToString();
                TextBox3.Text = dr["Ds"].ToString();


            }
        }
    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {

        data.RunSql("update dbo.KeHu set  ZheKou='" + txtUser.Text + "', UserName='" + TextBox1.Text + "' ,TEl='" + TextBox2.Text + "',Ds='" + TextBox3.Text + "'  where id=" + Request.QueryString["id"].ToString());
        Alert.AlertAndRedirect("修改成功", "KeHuManger.aspx");
    }
}