gonggao/gonggaomod.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using dao;
public partial class gonggaomod : System.Web.UI.Page
{
    string id = "";
    protected void Page_Load(object sender, EventArgs e)
    {
        id = Request.QueryString["id"].ToString();
        if (!IsPostBack)
        {

            string sql = "select * from gonggao where ggid='" + id + "'";
            DataTable dt = DBHelper.GetDataSet(sql);
            if (dt.Rows.Count > 0)
            {
               this.bt.Text =dt.Rows[0]["bt"].ToString();
this.nr.Text =dt.Rows[0]["nr"].ToString();
this.sj.Text =dt.Rows[0]["sj"].ToString();


     
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
      string bt=this.bt.Text;//标题
string nr=this.nr.Text;//内容
string sj=this.sj.Text;//时间

		if(bt.Length==0){
MessageBox.Show(this.Page,"标题不能为空");
return ;
}

if(nr.Length==0){
MessageBox.Show(this.Page,"内容不能为空");
return ;
}

if(sj.Length==0){
MessageBox.Show(this.Page,"时间不能为空");
return ;
}


     
        string sql = "update gonggao set  bt='"+bt+"',nr='"+nr+"',sj='"+sj+"' where ggid ='"+id+"'";
        int row = 0;