RepeaterItem.ItemIndex Property
Gets the index of the item in the Repeater control from the Items collection of the control.
[Visual Basic] Public Overridable ReadOnly Property ItemIndex As Integer [C#] public virtual int ItemIndex {get;} [C++] public: __property virtual int get_ItemIndex(); [JScript] public function get ItemIndex() : int;
Property Value
The index of the item in the Repeater control from the Items collection of the control.
Remarks
Use the ItemIndex property to determine the index number of the item in the Repeater control from the Items collection of the control.
Note 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.
Example
[Visual Basic, C#] 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.
[Visual Basic] <%@ Page Language="VB" AutoEventWireup="True" %> <%@ Import Namespace="System.Data" %> <html> <head> <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(1), 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 runat=server> <h3>Repeater Example</h3> <p> <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> <p> <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> [C#] <%@ Page Language="C#" AutoEventWireup="True" %> <%@ Import Namespace="System.Data" %> <html> <head> <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[1]).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 runat=server> <h3>Repeater Example</h3> <p> <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> <p> <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>
[C++, JScript] No example is available for C++ or JScript. To view a Visual Basic or C# example, click the Language Filter button
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Requirements
Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family
See Also
RepeaterItem Class | RepeaterItem Members | System.Web.UI.WebControls Namespace | Repeater | Items | ItemType