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FormView.EmptyDataTemplate Property

Gets or sets the user-defined content for the empty data row rendered when a FormView control is bound to a data source that does not contain any records.

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

[PersistenceModeAttribute(PersistenceMode.InnerProperty)]
[BrowsableAttribute(false)]
[TemplateContainerAttribute(typeof(FormView))]
public virtual ITemplate EmptyDataTemplate { get; set; }
<asp:FormView>
	<EmptyDataTemplate>ITemplate</EmptyDataTemplate>
</asp:FormView>

Property Value

Type: System.Web.UI.ITemplate
A System.Web.UI.ITemplate that contains the custom content for the empty data row. The default value is null, which indicates that this property is not set.

The empty data row is displayed in a FormView control when the data source that is bound to the control does not contain any records. You can define your own custom user interface (UI) for the empty data row by using the EmptyDataTemplate property. To specify a custom template for the empty data row, first place <EmptyDataTemplate> tags between the opening and closing tags of the FormView control. You can then list the contents of the template between the opening and closing <EmptyDataTemplate> tags. To control the style of the empty data row, use the EmptyDataRowStyle property. Alternatively, you can use the built-in UI for the empty data row by setting the EmptyDataText property instead of this property.

NoteNote

If both the EmptyDataText and EmptyDataTemplate properties are set, the EmptyDataTemplate property takes precedence.

The following example demonstrates how to define a custom template for the empty data row displayed when a FormView control is bound to a data source that does not contain any records.



<%@ 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 runat="server">
    <title>FormView EmptyDataTemplate Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <h3>FormView EmptyDataTemplate Example</h3>

      <asp:formview id="EmployeeFormView"
        datasourceid="EmployeeSource"
        allowpaging="true"
        datakeynames="EmployeeID" 
        runat="server">

        <EmptyDataRowStyle BackColor="Red"
          height="100"/> 

        <itemtemplate>

          <table>
            <tr>
              <td>
                <asp:image id="EmployeeImage"
                  imageurl='<%# Eval("PhotoPath") %>'
                  alternatetext='<%# Eval("LastName") %>' 
                  runat="server"/>
              </td>
              <td>
                <h3><%# Eval("FirstName") %>&nbsp;<%# Eval("LastName") %></h3>      
                <%# Eval("Title") %>        
              </td>
            </tr>
          </table>

        </itemtemplate>

        <emptydatatemplate>
          <table>
            <tr>
              <td>
                <asp:image id="NoDataImage"
                  imageurl="~/Images/NoDataImage.jpg" 
                  alternatetext="No image" 
                  runat="server"/>
              </td>
              <td>
                No records available.
              </td>
            </tr>
          </table>
        </emptydatatemplate>

        <pagersettings position="Bottom"
          mode="NextPrevious"/> 

      </asp:formview>

      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->

      <!-- The select query for the following SqlDataSource     -->
      <!-- control is intentionally set to return no results    -->
      <!-- to demonstrate the empty data row.                   --> 
      <asp:sqldatasource id="EmployeeSource"
        selectcommand="Select [EmployeeID], [LastName], [FirstName], [Title], [PhotoPath] From [Employees] Where [EmployeeID]=1000"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
        runat="server"/>

    </form>
  </body>
</html>



.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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