default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="RepeaterDemoTest._Default" %> <!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"> <%@ Import Namespace="TestViewStateDemo.fh" %> <head id="Head1" runat="server"> <title>无标题页</title> </head> <body> <form id="Form1" method="post" runat="server"> <table width="100%" border="1" bordercolor="#330033" bordercolordark="#999933" bordercolorlight="black"> <tr width="100%"> <td colspan="20" align="center"> <font color="blue" size="12">Repeater实现双向排序功能</font> </td> </tr> <asp:Repeater ID="Repeater1" runat="server" OnItemCommand="Repeater1_ArrItemCommand"> <HeaderTemplate> <tr> <td align="center" class="cssStrong"> <asp:LinkButton ID="RegionSalesManID" runat="server" Text="区域销售主任代码" CommandName="RegionSalesManID"></asp:LinkButton> </td> <td class="cssStrong"> <asp:LinkButton ID="AreaCode" runat="server" Text="地区代码" CommandName="AreaCode"></asp:LinkButton> </td> <td class="cssStrong"> <asp:LinkButton ID="AreaName" runat="server" Text="地区名称" CommandName="AreaName"></asp:LinkButton> </td> <td class="cssStrong"> <asp:LinkButton ID="AreaSalesManID" runat="server" Text="地区销售主任代码" CommandName="AreaSalesManID"></asp:LinkButton> </td> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <%# ((TestEntity)Container.DataItem).RegionSalesManID%> </td> <td> <%# ((TestEntity)Container.DataItem).AreaCode%> </td> <td> <%# ((TestEntity)Container.DataItem).AreaName%> </td> <td> <%# ((TestEntity)Container.DataItem).AreaSalesManID%> </td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater> </form> </body> </html>
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default.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Collections;
using System.Data.SqlClient;
using TestViewStateDemo.fh;
using System.Reflection;
namespace RepeaterDemoTest
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindRepeater();
}
}
private List<TestEntity> GetDataArr
{
get
{
return Cache["_data"] as List<TestEntity>;
}
set
{
if (Cache["_data"] == null)
Cache["_data"] = value;
}
}
private void BindRepeater()
{
List<TestEntity> ar = new List<TestEntity>();
TestEntity te2 = new TestEntity();
te2.RegionSalesManID = "aabbcc124";
te2.AreaCode = "abc124";
te2.AreaName = "FENGHUAN2";
te2.AreaSalesManID = "ABC124";
ar.Add(te2);
TestEntity te1 = new TestEntity();
te1.RegionSalesManID = "aabbcc123";
te1.AreaCode = "abc123";
te1.AreaName = "FENGHUAN1";
te1.AreaSalesManID = "ABC123";
ar.Add(te1);
TestEntity te3 = new TestEntity();
te3.RegionSalesManID = "aabbcc125";
te3.AreaCode = "abc125";
te3.AreaName = "FENGHUAN3";
te3.AreaSalesManID = "ABC125";
ar.Add(te3);
GetDataArr = ar;
Repeater1.DataSource = ar;
Repeater1.DataBind();
}
protected void Repeater1_ArrItemCommand(object source, RepeaterCommandEventArgs e)
{
var l = Repeater1.DataSource;
if (e.Item.ItemType == ListItemType.Header)
{
List<TestEntity> arr = GetDataArr;
arr.Sort(
delegate(TestEntity te1, TestEntity te2)
{
return CompareTestEntity(te1, te1, e);
});
Repeater1.DataSource = arr;
Repeater1.DataBind();
}
}
private int CompareTestEntity(
TestEntity te1,
TestEntity te2,
RepeaterCommandEventArgs e)
{
Type type = typeof(TestEntity);
object value1;
object value2;
PropertyInfo p = null;
if (ViewState[e.CommandName.Trim()] == null)
{
ViewState[e.CommandName.Trim()] = "ASC";
}
else
{
if (ViewState[e.CommandName.Trim()].ToString().Trim() == "ASC")
{
ViewState[e.CommandName.Trim()] = "DESC";
}
else
{
ViewState[e.CommandName.Trim()] = "ASC";
}
}
p = type.GetProperty(e.CommandName);
value1 = p.GetValue(te1, null);
value2 = p.GetValue(te2, null);
int comparedResult = ((IComparable)value1).CompareTo((IComparable)value2);
if (ViewState[e.CommandName.Trim()] == "DESC")
{
comparedResult *= -1;
}
return comparedResult;
}
}
}
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