AspNetPager的用法详解

后台逻辑：

using System;

using System.Data;

using System.Data.SqlClient;

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 Wuqi.Webdiyer;


public partial class Default2 : System.Web.UI.Page

{




    SqlConnection conn = new SqlConnection("server=localhost;database=AspNetPager;uid=sa;pwd=asen");

    SqlCommand cmd;



    protected void Page_Load(object sender, EventArgs e)

    {

      

        if (!Page.IsPostBack)

        {

            cmd = new SqlCommand("select count(newsid) from wqnews", conn);

            conn.Open();

            pager.RecordCount = (int)cmd.ExecuteScalar();

            conn.Close();

            BindData();

        }



    }



    /// <summary>

    /// 绑定数据集和显示记录信息

    /// </summary>

public void BindData()

    {


        //绑定数据集

        cmd = new SqlCommand("GetPagedNews", conn);

        cmd.CommandType = CommandType.StoredProcedure;

        cmd.Parameters.Add("@pageindex", pager.CurrentPageIndex);

        cmd.Parameters.Add("@pagesize", pager.PageSize);

        conn.Open();

        dataGrid1.DataSource = cmd.ExecuteReader();

        dataGrid1.DataBind();

        conn.Close();




        //显示记录信息

      pager.CustomInfoText = "记录总数：<b>" + pager.RecordCount.ToString() + "</b>";

        pager.CustomInfoText += " 总页数：<b>" + pager.PageCount.ToString() + "</b>";

        pager.CustomInfoText += " 当前页：<font color=\"red\"><b>" + pager.CurrentPageIndex.ToString() + "</b></font>";

   

    }



    /// <summary>

    /// 页面转换绑定的函数

    /// </summary>

    /// <param name="src"></param>

    /// <param name="e"></param>


public void ChangePage(object src, PageChangedEventArgs e)

    {

        pager.CurrentPageIndex = e.NewPageIndex;

        BindData();

    }


}