GridView实现分页功能

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    using System;
    using System.Data;
    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 System.Data.SqlClient;

    public partial class GridView_Page : System.Web.UI.Page
    {
        protected void Page_Load(object sender,EventArgs e)
        {
            //设置分页的图片按钮，这些都可以在控件的属性表上的pagersetting里设置
            if (!IsPostBack)
            {
                GridView1.Caption = "这是一个GridView的小实验";  
                      //Caption属性类似于表名，显示在控件的正上方。
                GridView1.PagerSettings.Mode = PagerButtons.NextPreviousFirstLast;
                GridView1.PagerSettings.NextPageImageUrl = "img/next.gif";
                GridView1.PagerSettings.PreviousPageImageUrl = "img/pre.gif";
                GridView1.PagerSettings.FirstPageImageUrl = "img/first.gif";
                GridView1.PagerSettings.LastPageImageUrl = "img/last.gif";
                GridView1.PageSize = 10;  //每页最多显示10条记录；
                BindData();
            }
        }
        private void BindData()
        {
            //将数据部署到GridView中
            string Constr = "server=localhost; uid=sa;pwd=123456;database=NorthWind";
            string sqlstr = "select * from products";
            SqlConnection con = new SqlConnection(Constr);
            SqlDataAdapter ad = new SqlDataAdapter(sqlstr,con);
            DataSet ds = new DataSet();
            ad.Fill(ds);
            GridView1.DataSource = ds;
            GridView1.DataBind();
        }
        protected void GridView1_PageIndexChanged(object sender,EventArgs e)
        {
            //进行分页之后，重新部署数据
            BindData();
        }
        protected void GridView1_PageIndexChanging(object sender,GridViewPageEventArgs e)
        {
            //分页完成之前
            GridView1.PageIndex = e.NewPageIndex;
        }
        protected void GridView1_DataBound(object sender,EventArgs e)
        {
            //添加分页码显示
            GridViewRow bottomPagerRow = GridView1.BottomPagerRow;
            Label bottomLabel = new Label();
            bottomLabel.Text = "目前所在分页：（" + (GridView1.PageIndex + 1) + "/" + GridView1.PageCount + "）";
            bottomPagerRow.Cells[0].Controls.Add(bottomLabel);
        }
    }

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