login/message.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Collections;
using System.Configuration;
using System.Web.Security;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;


public partial class login_message : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindGrv();
            Bindmsgbag();
        }

        if (Session["userid"] == null)
        {
            ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "click", "location.replace('/login/adminlogin.htm');", true);
        }
    }

    private void BindGrv()
    {
        DataTable dt;
        string username = (string)Session["userid"];

        int curpage = Convert.ToInt32(this.LabelA1.Text);
        PagedDataSource ps = new PagedDataSource();

        string xy_sql = "select * from tb_msg where ly_user=@username  order by ly_replytime desc ";
        SqlParameter[] p = new SqlParameter[] {
                new SqlParameter ("@username",username),
            };
        dt = SqlHelper.ExecuteQuery(xy_sql, p);

        if (dt.Rows.Count > 0)
        {

            ps.DataSource = dt.DefaultView;
            //是否可以分页
            ps.AllowPaging = true;
            //显示的数量
            ps.PageSize = 5;
            //取得当前页的页码
            ps.CurrentPageIndex = curpage - 1;
            this.LinkButtonA1.Enabled = true;
            this.LinkButtonA2.Enabled = true;
            this.LinkButtonA3.Enabled = true;