Admin/ModifyNews.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_ModifyNews : System.Web.UI.Page
{
    Alert alert = new Alert();
   SqlHelper data = new SqlHelper();
   
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {


            GetInfo();
        }
    }


    private void GetInfo()
    {
        int id = int.Parse(Request.QueryString["id"].ToString());
        SqlDataReader dr;
        dr = data.GetDataReader("select * from  News where id=" + id);
        dr.Read();
        txtname.Text = dr["title"].ToString();


        txtds.Text = dr["contents"].ToString();



    }



    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        int id = int.Parse(Request.QueryString["id"].ToString());
        data.RunSql("update   News set title='" + txtname.Text + "',contents='" + txtds.Text + "'  where id=" + id);

        Alert.AlertAndRedirect("修改成功！", "NewsList.aspx");
    }

}