LINQ+GridView+AspNetPager 实现分页

前台：

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register assembly="AspNetPager" namespace="Wuqi.Webdiyer" tagprefix="webdiyer" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server" >
   
    <asp:GridView ID="GridView1" runat="server" AllowPaging="True"  PageSize="5">
        <PagerSettings Visible="False" />
    </asp:GridView>
  
    <webdiyer:AspNetPager ID="AspNetPager2" runat="server"
        onpagechanged="AspNetPager2_PageChanged">
    </webdiyer:AspNetPager>
  
    </form>
</body>
</html>

 

 

后台：

 protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            ModifyAspNetPager();
            gvDataBind(5,1);
        }
    }
    protected void gvDataBind(int pagesize, int pageindex)
    {
        DataClassesDataContext dc = new DataClassesDataContext();
        var aa = (from a in dc.SYS_ProcessOperations
                 select a).Skip((pageindex-1)*pagesize).Take(pagesize);       
        GridView1.DataSource = aa;
        GridView1.DataBind();
    }
    protected void ModifyAspNetPager()
    {
        DataClassesDataContext dc = new DataClassesDataContext();
        int bb = (from a in dc.SYS_ProcessOperations
                  select a).Count();
        AspNetPager2.PageSize = GridView1.PageSize;
        AspNetPager2.RecordCount = bb;
    }
    protected void AspNetPager2_PageChanged(object sender, EventArgs e)
    {
        GridView1.PageIndex = AspNetPager2.CurrentPageIndex;
        gvDataBind(GridView1.PageSize,AspNetPager2.CurrentPageIndex);
    }