要先設置GridView的AllowSortring=true,這樣當點擊列標題的時候才能激發GridView的Sorting事件進行排序
1using System;
2using System.Data;
3using System.Configuration;
4using System.Collections;
5using System.Web;
6using System.Web.Security;
7using System.Web.UI;
8using System.Web.UI.WebControls;
9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using System.Collections.Generic;
12
13public partial class GridViewSortingTest : System.Web.UI.Page
14{
15 protected void Page_Load(object sender, EventArgs e)
16 {
17 if (!IsPostBack)
18 {
19 ClientInfoAccessObj accessor = new ClientInfoAccessObj();
20 GridView1.DataSource = accessor.GetAllClients();//綁定所有客戶信息
21 GridView1.DataBind();
22 }
23 }
24 //按照客戶姓名進行排序比較
25 public int CompareByClientName(ClientInfo Client1, ClientInfo Client2)
26 {
27 return Client1.ClientName.CompareTo(Client2.ClientName);
28 }
29
30 //按照郵編和地址進行排序比較
31 public int CompareByPostCodeAndAddressStr(ClientInfo client1, ClientInfo client2)
32 {
33 int ret = client1.PostCode.CompareTo(client2.PostCode);
34 if (ret != 0)
35 return ret;
36 else//如果郵編一樣
37 {
38 return client1.AddressStr.CompareTo(client2.AddressStr);
39 }
40 }
41 //按照郵編進行排序比較
42 public int CompareByPostCode(ClientInfo client1, ClientInfo client2)
43 {
44 return client1.PostCode.CompareTo(client2.PostCode);
45 }
46 //正在排序的事件
47 protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
48 {
49 ClientInfoAccessObj accessor = new ClientInfoAccessObj();
50 List<ClientInfo> clients = accessor.GetAllClients();
51 switch (e.SortExpression)
52 {
53 case "ClientName":
54 clients.Sort(CompareByClientName);//參數是一個Comparison<T>類型的泛型委托的函數名
55 break;
56 case "MultiColumnSort":
57 clients.Sort(CompareByPostCodeAndAddressStr);
58 break;
59 case "PostCode":
60 clients.Sort(CompareByPostCode);
61 break;
62 default:
63 ClientScript.RegisterClientScriptBlock(this.GetType(), "InfoMsg", "alert('不支持對此字段進行排序');", true);
64 break;
65 }
66 GridView1.DataSource = clients;//綁定顯示數據
67 GridView1.DataBind();
68 }
69 protected void btnSortByName_Click(object sender, EventArgs e)
70 {
71 GridView1.Sort("ClientName", SortDirection.Ascending);//此事件執行完畢再執行Sorting事件
72 }
73 protected void btnSortByPostCodeAndAddress_Click(object sender, EventArgs e)
74 {
75 GridView1.Sort("MultiColumnSort", SortDirection.Ascending);
76 }
77}
78
