案例：模拟购物列表
封装实体类：
数据访问类：
用Repeater展示：
1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
2
3 <!DOCTYPE html>
4
5 <html xmlns="http://www.w3.org/1999/xhtml">
6 <head id="Head1" runat="server">
7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
8 <title></title>
9 <style>
10 * {
11 padding: 0px;
12 margin: 0px;
13 }
14
15 #header {
16 position: relative;
17 width: 100%;
18 height: 80px;
19 background-color: navy;
20 }
21
22 #footer {
23 position: relative;
24 width: 100%;
25 height: 100px;
26 background-color: black;
27 }
28
29 #items {
30 position: relative;
31 width: 80%;
32 margin-left: 10%;
33 }
34
35 .item {
36 position: relative;
37 width: 23.5%;
38 margin-left: 0.5%;
39 margin-right: 0.5%;
40 height: 300px;
41 border: 1px solid black;
42 margin-top: 5px;
43 margin-bottom: 5px;
44 float: left;
45 }
46
47 .item img {
48 position: relative;
49 width: 100%;
50 height: 60%;
51 }
52
53 .item-name {
54 position: relative;
55 width: 80%;
56 margin-left: 10%;
57 font-size: 18px;
58 }
59
60 .item-price {
61 position: relative;
62 width: 100%;
63 color: red;
64 text-align: right;
65 font-size: 18px;
66 }
67
68 .item-price span {
69 font-size: 12px;
70 text-decoration: line-through;
71 }
72
73 .item-context {
74 position: relative;
75 width: 90%;
76 margin-left: 5%;
77 }
78
79 #Label1 {
80 color: white;
81 }
82 </style>
83
84 </head>
85 <body style="font-family: 微软雅黑;">
86 <form id="form1" runat="server">
87 <div id="header"></div>
88 <div id="items">
89 <asp:Repeater ID="Repeater1" runat="server">
90 <ItemTemplate>
91 <div class="item">
92 <img src="<%#Eval("pic") %>" />
93 <div class="item-name"><%#Eval("name") %></div>
94 <div class="item-price">价格：<%#Eval("nowPrice") %><span><%#Eval("oldPrice") %></span></div>
95 <div class="item-context"><%#Eval("context") %></div>
96 <asp:Button ID="Button1" runat="server" Text="删除" CommandName="Delete" CommandArgument='<%#Eval("ids") %>' />
97 </div>
98 </ItemTemplate>
99 </asp:Repeater>
100 <div style="clear: both;"></div>
101 </div>
102
103 <div id="footer"></div>
104 </form>
105 </body>
106 </html>
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Web;
5 using System.Web.UI;
6 using System.Web.UI.WebControls;
7
8 public partial class _Default : System.Web.UI.Page
9 {
10 protected void Page_Load(object sender, EventArgs e)
11 {
12 if (!IsPostBack)
13 {
14 Repeater1.DataSource = new gouwuData().Select();
15 Repeater1.DataBind();
16 }
17 //点击Repeater1中的按钮时发生
18 Repeater1.ItemCommand += Repeater1_ItemCommand;
19 }
20
21 void Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
22 {
23 if (e.CommandName == "Delete")
24 {
25 new gouwuData().Delete(Convert.ToInt32(e.CommandArgument));
26
27 Repeater1.DataSource = new gouwuData().Select();
28 Repeater1.DataBind();
29 }
30 }
31 }
不用Repeater展示：
Repeater的Command操作
1、ItemCommand事件 ：在Repeater中所有能触发事件的控件，都会来触发这一个事件
后台创建：在Page_Load中 Repeater1.ItemCommand += ，然后双击Tab键创建
2、CommandName ： 判断点击的是什么按钮，
后台调用：e.CommandName
3、CommandArgument ： 触发事件所传递过来的主键值数据，放在这里面 界面值绑定时要用 单引号 ！！！！！！
后台调用：e.CommandArgument