RepeaterItem.ItemIndex 속성

정의

Repeater 컨트롤의 Items 컬렉션에서 컨트롤 항목의 인덱스를 가져옵니다.Gets the index of the item in the Repeater control from the Items collection of the control.

public:
 virtual property int ItemIndex { int get(); };
public virtual int ItemIndex { get; }
member this.ItemIndex : int
Public Overridable ReadOnly Property ItemIndex As Integer

속성 값

Repeater 컨트롤의 Items 컬렉션에서 가져온 컨트롤 항목의 인덱스입니다.The index of the item in the Repeater control from the Items collection of the control.

예제

다음 예제에 사용 하는 방법을 보여 줍니다.는 ItemIndex 속성에 있는 항목의 인덱스 번호를 표시 하는 Repeater 에서 제어를 Items 컨트롤의 컬렉션입니다.The following example demonstrates how to use the ItemIndex property to display the index number of the item in the Repeater control from the Items collection of the control.

<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!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">

      void Page_Load(Object Sender, EventArgs e) 
      {
 
         if (!IsPostBack) 
         {
            ArrayList values = new ArrayList();
 
            values.Add(new PositionData("Item 1", "$6.00"));
            values.Add(new PositionData("Item 2", "$7.48"));
            values.Add(new PositionData("Item 3", "$9.96"));
 
            Repeater1.DataSource = values;
            Repeater1.DataBind();
         }

      }
      void Button_Click(Object Sender, EventArgs e) 
      {        
         Label1.Text = "The Items collection contains: <br />";

         foreach(RepeaterItem item in Repeater1.Items)
         {        
            Label1.Text += item.ItemIndex.ToString() + " - " +
                           ((DataBoundLiteralControl)item.Controls[0]).Text +
                           "<br />";
         }
      }    
 
      public class PositionData 
      {
        
         private string item;
         private string price;
 
         public PositionData(string item, string price) 
         {
            this.item = item;
            this.price = price;
         }
 
         public string Item 
         {
            get 
            {
               return item;
            }
         }
 
         public string Price 
         {
            get 
            {
               return price;
            }
         }
      }
 
   </script>
 
</head>
<body>
 
   <form id="form1" runat="server">

      <h3>Repeater Example</h3>
         
      <br />
         
      <asp:Repeater id="Repeater1" 
                    runat="server">
         <HeaderTemplate>
            <table border="1">
               <tr>
                  <td><b>Item</b></td>
                  <td><b>Price</b></td>
               </tr>
         </HeaderTemplate>
             
         <ItemTemplate>
            <tr>
               <td> <%# DataBinder.Eval(Container.DataItem, "Item") %> </td>
               <td> <%# DataBinder.Eval(Container.DataItem, "Price") %> </td>
            </tr>
         </ItemTemplate>
            
         <FooterTemplate>
            </table>
         </FooterTemplate>
             
      </asp:Repeater>
      <br />

      <asp:Button id="Button1"
           Text="Display Items in Repeater"
           OnClick="Button_Click"
           runat="server"/>

      <br /><br />
         
      <asp:Label id="Label1"                 
                 runat="server"/>
   </form>
</body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!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="VB" runat="server">

    Sub Page_Load(Sender As Object, e As EventArgs)
        
        If Not IsPostBack Then
            Dim values As New ArrayList()
            
            values.Add(New PositionData("Item 1", "$6.00"))
            values.Add(New PositionData("Item 2", "$7.48"))
            values.Add(New PositionData("Item 3", "$9.96"))
            
            Repeater1.DataSource = values
            Repeater1.DataBind()
        End If
    End Sub
     
    Sub Button_Click(Sender As Object, e As EventArgs)
        Label1.Text = "The Items collection contains: <br />"
        
        Dim item As RepeaterItem
        For Each item In  Repeater1.Items
      Label1.Text &= item.ItemIndex.ToString() & " - " & _
          CType(item.Controls(0), DataBoundLiteralControl).Text & "<br />"
        Next item
    End Sub
 
    Public Class PositionData
        
        Private myItem As String
        Private myPrice As String        
        
        Public Sub New(newItem As String, newPrice As String)
            Me.myItem = newItem
            Me.myPrice = newPrice
        End Sub        
        
        Public ReadOnly Property Item() As String
            Get
                Return myItem
            End Get
        End Property        
        
        Public ReadOnly Property Price() As String
            Get
                Return myPrice
            End Get
        End Property
    End Class
 
   </script>
 
</head>
<body>
 
   <form id="form1" runat="server">

      <h3>Repeater Example</h3>
         
      <br />
         
      <asp:Repeater id="Repeater1" 
                    runat="server">
         <HeaderTemplate>
            <table border="1">
               <tr>
                  <td><b>Item</b></td>
                  <td><b>Price</b></td>
               </tr>
         </HeaderTemplate>
             
         <ItemTemplate>
            <tr>
               <td> <%# DataBinder.Eval(Container.DataItem, "Item") %> </td>
               <td> <%# DataBinder.Eval(Container.DataItem, "Price") %> </td>
            </tr>
         </ItemTemplate>
            
         <FooterTemplate>
            </table>
         </FooterTemplate>
             
      </asp:Repeater>
      <br />

      <asp:Button id="Button1"
           Text="Display Items in Repeater"
           OnClick="Button_Click"
           runat="server"/>

      <br /><br />
         
      <asp:Label id="Label1"                 
                 runat="server"/>
   </form>
</body>
</html>

설명

사용 합니다 ItemIndex 속성에 있는 항목의 인덱스 번호를 확인 하는 Repeater 에서 제어를 Items 컨트롤의 컬렉션입니다.Use the ItemIndex property to determine the index number of the item in the Repeater control from the Items collection of the control.

참고

이 속성의 데이터 항목에만 적용 됩니다는 Repeater 제어 합니다.This property only applies to data items in the Repeater control. 합니다 ItemType 속성으로 설정 되어 있어야 ListItemType.ItemListItemType.AlternatingItem, ListItemType.SelectedItem, 또는 ListItemType.EditItem합니다.The ItemType property must be set to ListItemType.Item, ListItemType.AlternatingItem, ListItemType.SelectedItem, or ListItemType.EditItem.

적용 대상

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