Admin/Conctrl/GongGao.ascx.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 JD.BLL;
using JD.Model;

public partial class Admin_Conctrl_GongGao : System.Web.UI.UserControl
{
    int id;
    protected void Page_Load(object sender, EventArgs e)
    {
        id = Convert.ToInt32(Request.QueryString["id"]);
        GongGao gg = GongGaoMananger.GetGongGao(id);
        if (!IsPostBack)
        {
            FreeTextBox1.Text = gg.Text;
        }
        
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string mgf = string.Empty;
        try
        {
            GongGaoMananger.UpGongGao(FreeTextBox1.Text, id, ref mgf);
            Response.Write(string.Format("<script>alert('{0}');location.href='default.aspx';</script>", mgf));
        }
        catch (Exception ex)
        {
            throw new Exception(ex.Message);
        }
    }
}