數據分頁一直以來是比較頭疼的問題，不少的分頁控件也隨之產生。但是我用過的幾個控件，本身都要執行SQL，對存儲過程支持不好，為了方便，特別寫了個通用分頁類,利用PagedDataSource來實現DataGrid，DataList，Repeater的分頁。完成上一頁，下一頁，
最后一頁，最前一頁，總頁數，當前頁數，跳轉這些基本的功能。



using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;


namespace aspnetpager
{
///
/// netpager-本類提供datagrid,datalist,repeater的通用分頁---jierry 04-7-19
///
public class netpager: System.Web.UI.Page
{
private System.Web.UI.WebControls.DataGrid datagrid=null;
private System.Web.UI.WebControls.DataList datalist=null;
private System.Web.UI.WebControls.Repeater repeater=null;
private System.Web.UI.WebControls.HyperLink lnknext;
private System.Web.UI.WebControls.HyperLink lnkprev;
private System.Web.UI.WebControls.HyperLink lnkfist;
private System.Web.UI.WebControls.HyperLink lnklast;
private System.Web.UI.WebControls.HyperLink lnkjump;
private System.Web.UI.WebControls.Label pagenum;
private System.Web.UI.WebControls.Label pagecount;
private System.Web.UI.WebControls.DropDownList list;


public netpager()
{
//
// TODO: 在此處添加構造函數邏輯
//
}

public System.Web.UI.WebControls.DataGrid Datagrid
{
get
{
return this.datagrid;
}
set
{
this.datagrid=value;
}
}

public System.Web.UI.WebControls.DataList Datalist
{
get
{
return this.datalist;
}
set
{
this.datalist=value;
}
}

public System.Web.UI.WebControls.Repeater Repeater
{
get
{
return this.repeater;
}
set
{
this.repeater=value;
}
}


public System.Web.UI.WebControls.HyperLink Lnkprev
{
get
{
return this.lnkprev;
}
set
{
this.lnkprev=value;
}
}

public System.Web.UI.WebControls.HyperLink Lnknext
{
get
{
return this.lnknext;
}
set
{
this.lnknext=value;
}
}

public System.Web.UI.WebControls.HyperLink Lnkfist
{
get
{
return this.lnkfist;
}
set
{
this.lnkfist=value;
}
}

public System.Web.UI.WebControls.HyperLink Lnklast
{
get
{
return this.lnklast;
}
set
{
this.lnklast=value;
}
}

public System.Web.UI.WebControls.HyperLink Lnkjump
{
get
{
return this.lnkjump;
}
set
{
this.lnkjump=value;
}
}

public System.Web.UI.WebControls.Label Pagenum
{
get
{
return this.pagenum;
}
set
{
this.pagenum=value;
}
}

public System.Web.UI.WebControls.Label Pagecount
{
get
{
return this.pagecount;
}
set
{
this.pagecount=value;
}
}

public System.Web.UI.WebControls.DropDownList List
{
get
{
return this.list;
}
set
{
this.list=value;
}
}


public void datapage(DataSet ds,int pagenum)
{
PagedDataSource objPds = new PagedDataSource();
objPds.AllowPaging =true;
//每頁顯示數目
objPds.PageSize =pagenum;
//指定數據源
objPds.DataSource = ds.Tables[0].DefaultView;
int CurPage;
//綁定dropdownlist數據
for(int i=1;i<=objPds.PageCount;i++)
{
this.list.Items.Add(i.ToString());
}
this.list.Items.Insert(0,new ListItem("頁數",""));
//確定當前頁數
if (System.Web.HttpContext.Current.Request.Params["Page"] != null)
{
CurPage=Convert.ToInt32(System.Web.HttpContext.Current.Request.Params["Page"]);

}
else
{
CurPage=1;
}

objPds.CurrentPageIndex = CurPage-1;
//顯示當前頁數
this.pagenum.Text="頁數:"+CurPage.ToString();
//顯示總共頁數
this.pagecount.Text="共有"+objPds.PageCount+"頁";

//下一頁
if (!objPds.IsLastPage)
{
lnknext.NavigateUrl=System.Web.HttpContext.Current.Request.CurrentExecutionFilePath+"?Page=" + Convert.ToString(CurPage+1);
}
//上一頁
if(!objPds.IsFirstPage)
{
lnkprev.NavigateUrl=System.Web.HttpContext.Current.Request.CurrentExecutionFilePath+"?Page="+Convert.ToString(CurPage-1);
}
//第一頁
if(CurPage!=1)
{
lnkfist.NavigateUrl=System.Web.HttpContext.Current.Request.CurrentExecutionFilePath+"?Page="+Convert.ToString(1);
}
//最后一頁
if(CurPage!=objPds.PageCount)
{
lnklast.NavigateUrl=System.Web.HttpContext.Current.Request.CurrentExecutionFilePath+"?Page="+Convert.ToString(objPds.PageCount);
}
//綁定datagrid
if(this.datagrid!=null)
{
datagrid.DataSource=objPds;
datagrid.DataBind();
}
//綁定datalist
if(this.datalist!=null)
{
datalist.DataSource=objPds;
datalist.DataBind();
}
//綁定repeater
if(this.repeater!=null)
{
repeater.DataSource=objPds;
repeater.DataBind();
}

}

//dropdownlist選擇改變
public void select()
{
this.lnkjump.NavigateUrl=System.Web.HttpContext.Current.Request.CurrentExecutionFilePath+"?Page="+Convert.ToString(this.list.SelectedItem.Value);
}





}
}




使用方法:
1.在引用里添加aspnetpager.dll的引用
2.using aspnetpager;
3.private netpager pager;
4.
page_load()
if(!IsPostBack)
{
pager=new netpager();
pager.Datagrid=this.DataGrid1;
pager.Datalist=this.DataList1;
pager.Repeater=this.Repeater1;
pager.Lnknext=this.HyperLink1;
pager.Lnkprev=this.lnkprev;
pager.Lnklast=this.lnklast;
pager.Lnkfist=this.lnkfist;
pager.Pagenum=this.Label1;
pager.Pagecount=this.Label2;
pager.List=this.DropDownList1;

DataSet ds=new DataSet();
ds.ReadXml(Server.MapPath("test.xml"));
pager.datapage(ds,5);
}

5.private void DropDownList1_SelectedIndexChanged(object sender, System.EventArgs e)
{
pager=new netpager();
pager.List=this.DropDownList1;
pager.Lnkjump=this.HyperLink3;
pager.select();

}