default.aspx.cs

一个简单的聊天代码

using System;
using System.Data;
using System.Configuration;
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;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {   popol();
            Bind();
            gonggao();
          
        }
    }
    void popol()
    {
        string sql;
        sql = "select * from Spclass";
        {
            sql = "select *,(select name from Spclass where id= Info.sort) as SortName  from Info order by id desc";
        }
        DataSet ds = Spbase.GreatDs(sql);
        GridView2.DataSource = ds;
        GridView2.DataBind();
       
   
    }
    void Bind()
    {
        string sql;
        {
            sql = "select *,(select name from Spclass where id= Info.sort) as SortName from Info where jb = 2 and dq>#"+System.DateTime.Now+"#";
        }                
        DataSet ds = Spbase.GreatDs(sql);
        GridView1.DataSource = ds;
        GridView1.DataBind();
    }

    void gonggao()
    {
        string sql;
        {
            sql = "select * from Info where jb=3 ";
        }
        DataSet ds = Spbase.GreatDs(sql);
        DataList1.DataSource = ds;
        DataList1.DataBind();
    }
    
    protected void GridView2_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView2.PageIndex = e.NewPageIndex;
        GridView2.DataBind();
        popol();
    }
}