System.Web.UI.WebControls Namespace   DataList Class

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Specifies the template to use for alternating items in a DataList.

<asp:datalist ... >

   <alternatingitemtemplate>
      ... template definition here
   </alternatingitemtemplate>

</asp:datalist>

An ITemplate interface that defines how the alternating ( zero-based odd-indexed ) items in the DataList control are rendered.

The property is read/write with no default value.

The AlternatingItemTemplate functions in the same way as the ItemTemplate, but rendered for every other row in the DataList control. You can set the appearance for the items in this template using the AlternatingItemStyle property.

To specify a template for the alternating items in a DataList, declare an <AlternatingItemTemplate> element between the opening and closing tags of the control. You can then list the contents of the template between the opening and closing <AlternatingItemTemplate> ... </AlternatingItemTemplate> tags.

Items in the AlternatingItemTemplate are data-bound. To display data in the AlternatingItemTemplate, declare one or more Web server controls and set their data-binding expressions to evaluate to a field in the DataList control's DataSource.

First Name: <asp:Label runat = "server"
   Text = "<%# Eval ( "FirstName" ) %>" />

For more information, see DataBinding Expression Syntax.

The following example illustrates using the AlternatingItemTemplate to display the odd-indexed items of a DataList in a different background color.

<itemtemplate>
   <tr>
      <td><%# Eval ( "title" ) %></td>
      <td align = "right"><%# Eval ( 
         "price", "{0:c}" ) %></td></tr>
</itemtemplate>

<alternatingitemtemplate>
   <tr style = "background-color:#eed">
      <td><%# Eval ( "title" ) %></td>
      <td align = "right"><%# Eval ( 
         "price", "{0:c}" ) %></td></tr>
</alternatingitemtemplate>

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DataList Members   ItemTemplate   EditItemTemplate   SelectedItemTemplate   HeaderTemplate   FooterTemplate   SeparatorTemplate