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RepeaterItem.ItemIndex Property

Gets the index of the item in the Repeater control from the Items collection of the control.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public virtual int ItemIndex { get; }

Property Value

Type: System.Int32
The index of the item in the Repeater control from the Items collection of the control.

Use the ItemIndex property to determine the index number of the item in the Repeater control from the Items collection of the control.

NoteNote

This property only applies to data items in the Repeater control. The ItemType property must be set to ListItemType.Item, ListItemType.AlternatingItem, ListItemType.SelectedItem, or ListItemType.EditItem.

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>

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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