liuyan/liuyanadd.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 liuyan_liuyanadd : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack) {
            this.fbsj.Text = System.DateTime.Now.ToString();
            if (Session["yhm"] != null) {
                this.yh.Text = Session["yhm"].ToString();
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {

		string ly=this.ly.Text;//留言

string yh=this.yh.Text;//用户

string fbsj=this.fbsj.Text;//发布时间


		if(ly.Length==0){

MessageBox.Show(this.Page,"留言不能为空");

return ;

}


if(yh.Length==0){

MessageBox.Show(this.Page,"用户不能为空");

return ;

}


if(fbsj.Length==0){

MessageBox.Show(this.Page,"发布时间不能为空");

return ;

}