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通用的分页类(不执行sql,直接绑定数据)
作者:武汉SEO闵涛  文章来源:敏韬网  点击数1935  更新时间:2007/11/14 11:13:45  文章录入:mintao  责任编辑:mintao

数据分页一直以来是比较头疼的问题,不少的分页控件也随之产生。但是我用过的几个控件,本身都要执行SQL,对存储过程支持不好,为了方便,特别写了个通用分页类,利用PagedDataSource来实现DataGrid,DataList,Repeater的分页。完成上一页,下一页,
最后一页,最前一页,总页数,当前页数,跳转这些基本的功能。

 

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-本类提供datagrid,datalist,repeater的通用分页---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: 在此处添加构造函数逻辑
   //
  }

  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;
   //每页显示数目
   objPds.PageSize =pagenum;
   //指定数据源
   objPds.DataSource = ds.Tables[0].DefaultView;
   int CurPage;
   //绑定dropdownlist数据
   for(int i=1;i<=objPds.PageCount;i++)
   {
    this.list.Items.Add(i.ToString());
   }
   this.list.Items.Insert(0,new ListItem("页数",""));
   //确定当前页数
   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;
   //显示当前页数
   this.pagenum.Text="页数:"+CurPage.ToString();
   //显示总共页数
   this.pagecount.Text="共有"+objPds.PageCount+"页";

      //下一页
   if (!objPds.IsLastPage)
   {
    lnknext.NavigateUrl=System.Web.HttpContext.Current.Request.CurrentExecutionFilePath+"?Page=" + Convert.ToString(CurPage+1);
   }
   //上一页
   if(!objPds.IsFirstPage)
   {
    lnkprev.NavigateUrl

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