ASP.NET控件Repeater遍历

该例子实现在Repeater通过勾选CheckBox后，通过底部按钮获取到所选的所有数据（之后可以进行批量删除、更新等操作）

首先，定义一个类

public class UserInfo { public int ID { get; set; } public string name { get; set; } }

在页面上编写Repeater模板

<asp:Repeater ID="Repeater1" runat="server"> <HeaderTemplate> <table style=" 100%;"> <tr> <td> ID </td> <td> 名称 </td> <td> 操作 </td> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <%#Eval("ID")%> </td> <td> <%#Eval("name")%> </td> <td> <asp:CheckBox ID="CheckBox1" runat="server" dataID='<%#Eval("ID")%>' />操作 </td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater>

数据初始化

protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { List<UserInfo> userList = new List<UserInfo>(); for (int i = 0; i < 10; i++) { UserInfo user = new UserInfo(); user.ID = i; user.name = "BDS"; userList.Add(user); } Repeater1.DataSource = userList; Repeater1.DataBind(); } }

页面添加一个遍历操作的按钮

asp:Button ID="Button1" runat="server" Text="遍历Repeater" onclick="Button1_Click" />

遍历操作代码

protected void Button1_Click(object sender, EventArgs e) { List<int> idList = new List<int>(); foreach (RepeaterItem item in Repeater1.Items) { CheckBox cb = item.FindControl("CheckBox1") as CheckBox; if (cb.Checked) { int id = int.Parse(cb.Attributes["dataID"]); idList.Add(id); } } foreach (var item in idList) { Response.Write(item + ","); } }