Neeke

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.Collections.Generic;/** * 功能：对GridView数据分页 * 作者：Neeke * 版权所有：尼克技术博客 http://www.ineeke.com * */public partial class WebUserControl : System.Web.UI.UserControl{    PagedDataSource pds = new PagedDataSource();    //待分页的数据源    public IEnumerable DataSource;    //每页显示数据条数    public int pageSize = 10;    //待分页显示的GridView对象    public GridView PageGridView;    //当前页    public int CurrentPage    {        get { return (Int32)ViewState["CurrentPage"]; }        set { ViewState["CurrentPage"] = value; }    }    //分页个数    public int Count    {        get { return (Int32)ViewState["Count"]; }        set { ViewState["Count"] = value; }    }    //数据绑定    public void PageDataBind()    {        if (!IsPostBack)        {            CurrentPage = 0;            Count = 0;        }        //用于判断是否越界        if (CurrentPage > Count || CurrentPage < 0)        {            return;        }        try        {            pds.DataSource = DataSource;            pds.AllowPaging = true;            pds.PageSize = pageSize;            pds.CurrentPageIndex = CurrentPage;            Count = pds.PageCount;            this.lblTotalCount.Text = pds.DataSourceCount.ToString();            this.lblPageSize.Text = pageSiz
e.ToString();            this.lblCurrentPage.Text = Convert.ToString(CurrentPage + 1);            this.lblTotalPage.Text = Convert.ToString(Count);            PageGridView.DataSource = pds;            PageGridView.DataBind();        }        catch (Exception ex)        {            Response.Write("<script>alert('没有您输入的页!');</script>");        }    }    //第一页按钮按下时触发    protected void LinkFirst_Click(object sender, EventArgs e)    {        CurrentPage = 0;        PageDataBind();    }    //前一页按钮按下时触发    protected void LinkPrie_Click(object sender, EventArgs e)    {        if (CurrentPage <= 0)        {            CurrentPage = 0;        }        else        {            CurrentPage = CurrentPage-1;        }        PageDataBind();    }    //下一页按钮按下时触发    protected void LinkNext_Click(object sender, EventArgs e)    {        if (CurrentPage >= (Count - 1))        {            CurrentPage = Count - 1;        }        else        {            CurrentPage=CurrentPage+1;        }        PageDataBind();    }    //最后一页按钮按下时触发    protected void LinkLast_Click(object sender, EventArgs e)    {        CurrentPage = Count - 1;        PageDataBind();    }    //GO按钮按下时触发    protected void btnGo_Click(object sender, EventArgs e)    {        CurrentPage = int.Parse(this.txtGoPage.Text)-1;        PageDataBind();    }}

protected void Page_Load(object sender, EventArgs e)    {        this.WebUserControl1.DataSource = SaleChanceManager.GetChanceAll();//设置待数据源        this.WebUserControl1.pageSize = 5;//设置每页数据条数        this.WebUserControl1.PageGridView = this.GridView1;//设置待分页的GridView        this.WebUserControl1.PageDataBind();//调用绑定方法    }