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通过

Repeater.ItemCreated 事件

  • 参考

定义

命名空间:
System.Web.UI.WebControls
程序集:
System.Web.dll

当在 Repeater 控件中创建一项时发生。

C# 
public event System.Web.UI.WebControls.RepeaterItemEventHandler ItemCreated;

事件类型

RepeaterItemEventHandler

示例

下面的示例演示如何为 ItemCreated 控件的 Repeater 事件指定和编码处理程序。 每当创建项时，将显示 Repeater 指示项类型的新文本行。

ASP.NET (C#) 
<%@ Page Language="C#" AutoEventWireup="True" %>
<!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>
    <title>Repeater Example</title>
<script language="C#" runat="server">
       int Count = 1;
       void Page_Load(Object Sender, EventArgs e) {
 
          if (!IsPostBack) {
             ArrayList values = new ArrayList();
 
             values.Add(new PositionData("Microsoft", "Msft"));
             values.Add(new PositionData("Intel", "Intc"));
             values.Add(new PositionData("Dell", "Dell"));
 
             Repeater1.DataSource = values;
             Repeater1.DataBind();
          }
       }
 
       void R1_ItemCreated(Object Sender, RepeaterItemEventArgs e) {
          String iTypeText = "";
 
          switch (e.Item.ItemType) {
             case ListItemType.Item:
                iTypeText = "Item";
                break;
             case ListItemType.AlternatingItem:
                iTypeText = "AlternatingItem";
                break;
             case ListItemType.Header:
                iTypeText = "Header";
                break;
             case ListItemType.Footer:
                iTypeText = "Footer";
                break;
             case ListItemType.Separator:
                iTypeText = "Separator";
                break;
          }
          Label1.Text += "(" + Count++ + ") A Repeater " + iTypeText + " has been created; <br />";
       }    
 
       public class PositionData {
         
          private string name;
          private string ticker;
 
          public PositionData(string name, string ticker) {
             this.name = name;
             this.ticker = ticker;
          }
 
          public string Name {
             get {
                return name;
             }
          }
 
          public string Ticker {
             get {
               return ticker;
             }
          }
       }
 
    </script>
 
 </head>
 <body>
 
    <h3>Repeater Example</h3>
 
    <form id="form1" runat="server">
 
       <b>Repeater1:</b>
         
       <br />
         
       <asp:Repeater id="Repeater1" OnItemCreated="R1_ItemCreated" runat="server">
          <HeaderTemplate>
             <table border="1">
                <tr>
                   <td><b>Company</b></td>
                   <td><b>Symbol</b></td>
                </tr>
          </HeaderTemplate>
             
          <ItemTemplate>
             <tr>
                <td> <%# DataBinder.Eval(Container.DataItem, "Name") %> </td>
                <td> <%# DataBinder.Eval(Container.DataItem, "Ticker") %> </td>
             </tr>
          </ItemTemplate>
             
          <FooterTemplate>
             </table>
          </FooterTemplate>
             
       </asp:Repeater>
       <br />
         
       <asp:Label id="Label1" font-names="Verdana" ForeColor="Red" font-size="10pt" runat="server"/>
    </form>
 </body>
 </html>

注解

在 控件中创建项时，将引发此 Repeater 事件。

有关如何处理事件的详细信息，请参阅 处理和引发事件。

适用于

产品 版本
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

另请参阅