ListView.AlternatingItemTemplate Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets or sets the custom content for the alternating data item in a ListView control.
public:
virtual property System::Web::UI::ITemplate ^ AlternatingItemTemplate { System::Web::UI::ITemplate ^ get(); void set(System::Web::UI::ITemplate ^ value); };
[System.ComponentModel.Browsable(false)]
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
[System.Web.UI.TemplateContainer(typeof(System.Web.UI.WebControls.ListViewDataItem), System.ComponentModel.BindingDirection.TwoWay)]
public virtual System.Web.UI.ITemplate AlternatingItemTemplate { get; set; }
[<System.ComponentModel.Browsable(false)>]
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
[<System.Web.UI.TemplateContainer(typeof(System.Web.UI.WebControls.ListViewDataItem), System.ComponentModel.BindingDirection.TwoWay)>]
member this.AlternatingItemTemplate : System.Web.UI.ITemplate with get, set
Public Overridable Property AlternatingItemTemplate As ITemplate
Property Value
An object that contains the custom content for the alternating data item in a ListView control. The default is null
, which indicates that this property is not set.
- Attributes
Examples
The following example shows how to use the AlternatingItemTemplate template to define the style for alternating data items in a ListView control.
<%@ Page language="C#" %>
<!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 id="Head1" runat="server">
<title>ListView AlternatingItemTemplate Example</title>
<style type="text/css">
body
{
font-size: 10pt;
font-family: Trebuchet MS, Arial, Tahoma;
text-align:center;
}
.item { background-color: #E0FFFF }
.alternatingItem { background-color: #B0E0E6 }
</style>
</head>
<body>
<form id="form1" runat="server">
<h3>ListView AlternatingItemTemplate Example</h3>
<asp:ListView ID="VendorsListView"
DataSourceID="VendorsDataSource"
runat="server">
<LayoutTemplate>
<table cellpadding="2" width="640px" id="tblVendors" runat="server">
<tr runat="server">
<th runat="server">ID</th>
<th runat="server">Account Number</th>
<th runat="server">Name</th>
<th runat="server">Preferred Vendor</th>
</tr>
<tr runat="server" id="itemPlaceholder" />
</table>
<asp:DataPager ID="VendorsDataPager" runat="server" PageSize="15">
<Fields>
<asp:NumericPagerField ButtonCount="10" />
</Fields>
</asp:DataPager>
</LayoutTemplate>
<ItemTemplate>
<tr class="item" runat="server">
<td>
<asp:Label ID="VendorIDLabel" runat="server" Text='<%# Eval("VendorID") %>' />
</td>
<td>
<asp:Label ID="AccountNumberLabel" runat="server" Text='<%# Eval("AccountNumber") %>' />
</td>
<td>
<asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' />
</td>
<td align="center">
<asp:CheckBox ID="PreferredCheckBox" runat="server" Enabled="False"
Checked='<%# Eval("PreferredVendorStatus") %>' />
</td>
</tr>
</ItemTemplate>
<AlternatingItemTemplate>
<tr class="alternatingItem" runat="server">
<td>
<asp:Label ID="VendorIDLabel" runat="server" Text='<%# Eval("VendorID") %>' />
</td>
<td>
<asp:Label ID="AccountNumberLabel" runat="server" Text='<%# Eval("AccountNumber") %>' />
</td>
<td>
<asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' />
</td>
<td align="center">
<asp:CheckBox ID="PreferredCheckBox" runat="server" Enabled="False"
Checked='<%# Eval("PreferredVendorStatus") %>' />
</td>
</tr>
</AlternatingItemTemplate>
</asp:ListView>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the AdventureWorks sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:SqlDataSource ID="VendorsDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
SelectCommand="SELECT VendorID, AccountNumber, Name, PreferredVendorStatus
FROM Purchasing.Vendor WHERE (ActiveFlag = 1)" >
</asp:SqlDataSource>
</form>
</body>
</html>
<%@ Page language="VB" %>
<!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 id="Head1" runat="server">
<title>ListView AlternatingItemTemplate Example</title>
<style type="text/css">
body
{
font-size: 10pt;
font-family: Trebuchet MS, Arial, Tahoma;
text-align:center;
}
.item { background-color: #E0FFFF }
.alternatingItem { background-color: #B0E0E6 }
</style>
</head>
<body>
<form id="form1" runat="server">
<h3>ListView AlternatingItemTemplate Example</h3>
<asp:ListView ID="VendorsListView"
DataSourceID="VendorsDataSource"
runat="server">
<LayoutTemplate>
<table cellpadding="2" width="640px" id="tblVendors" runat="server">
<tr runat="server">
<th runat="server">ID</th>
<th runat="server">Account Number</th>
<th runat="server">Name</th>
<th runat="server">Preferred Vendor</th>
</tr>
<tr runat="server" id="itemPlaceholder" />
</table>
<asp:DataPager ID="VendorsDataPager" runat="server" PageSize="15">
<Fields>
<asp:NumericPagerField ButtonCount="10" />
</Fields>
</asp:DataPager>
</LayoutTemplate>
<ItemTemplate>
<tr class="item" runat="server">
<td>
<asp:Label ID="VendorIDLabel" runat="server" Text='<%# Eval("VendorID") %>' />
</td>
<td>
<asp:Label ID="AccountNumberLabel" runat="server" Text='<%# Eval("AccountNumber") %>' />
</td>
<td>
<asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' />
</td>
<td align="center">
<asp:CheckBox ID="PreferredCheckBox" runat="server" Enabled="False"
Checked='<%# Eval("PreferredVendorStatus") %>' />
</td>
</tr>
</ItemTemplate>
<AlternatingItemTemplate>
<tr class="alternatingItem" runat="server">
<td>
<asp:Label ID="VendorIDLabel" runat="server" Text='<%# Eval("VendorID") %>' />
</td>
<td>
<asp:Label ID="AccountNumberLabel" runat="server" Text='<%# Eval("AccountNumber") %>' />
</td>
<td>
<asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' />
</td>
<td align="center">
<asp:CheckBox ID="PreferredCheckBox" runat="server" Enabled="False"
Checked='<%# Eval("PreferredVendorStatus") %>' />
</td>
</tr>
</AlternatingItemTemplate>
</asp:ListView>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the AdventureWorks sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:SqlDataSource ID="VendorsDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
SelectCommand="SELECT VendorID, AccountNumber, Name, PreferredVendorStatus
FROM Purchasing.Vendor WHERE (ActiveFlag = 1)" >
</asp:SqlDataSource>
</form>
</body>
</html>
Remarks
Use the AlternatingItemTemplate property to define a custom user interface (UI) for the alternating data item. The AlternatingItemTemplate template usually contains the same controls and content as the ItemTemplate template, but with a different appearance to distinguish items.
To specify the custom template declaratively, add an AlternatingItemTemplate
element inside the ListView control. Then add controls and content between the opening and closing <AlternatingItemTemplate>
tags. To display the field values from the data source, use a data-binding expression. For more information, see Data-Binding Expressions Overview.
To create buttons that automatically select, delete, and edit operations, add a button control to the template. Set its CommandName property to one of the values listed in the following table.
Button type | CommandName value |
---|---|
Delete | "Delete" |
Edit | "Edit" |
Select | "Select" |
Applies to
See also
.NET
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