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CommandField.ShowDeleteButton Property

Note: This property is new in the .NET Framework version 2.0.

Gets or sets a value indicating whether a Delete button is displayed in a CommandField field.

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

public virtual bool ShowDeleteButton { get; set; }
/** @property */
public boolean get_ShowDeleteButton ()

/** @property */
public void set_ShowDeleteButton (boolean value)

public function get ShowDeleteButton () : boolean

public function set ShowDeleteButton (value : boolean)

Property Value

true to display a Delete button in a CommandField; otherwise, false. The default is false.

Use the ShowDeleteButton property to specify whether a Delete button is displayed in a CommandField field for each record in the data-source control. The Delete button allows you to remove a record from the data source.

NoteNote

When a data-bound control is used in combination with a data source control (such as a SqlDataSource control), the data-bound control can take advantage of the data source control's capabilities and provide automatic delete functionality. For other data sources, you must provide the routines to perform the delete operation during the appropriate event for the data-bound control.

When the ButtonType property of a CommandField field is set to ButtonType.Button or ButtonType.Link, use the DeleteText property to specify the text to display for a Delete button. Alternatively, you can display an image by first setting the ButtonType property to ButtonType.Image and then setting the DeleteImageUrl property.

The following code example demonstrates how to use the ShowDeleteButton property to display a Delete button for each record in a GridView control.


<%@ Page language="C#" %>

<html>
  <body>
    <form runat="server">
      
      <h3>CommandField Example</h3>

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSqlDataSource" 
        autogeneratecolumns="false"
        datakeynames="CustomerID"  
        runat="server">
        
        <columns>
          <asp:commandfield showdeletebutton="true"
            headertext="Edit Controls"/>
          <asp:boundfield datafield="CustomerID"
            headertext="Customer ID" />
          <asp:boundfield datafield="CompanyName"
            headertext="Company Name"/>
          <asp:boundfield datafield="Address"
            headertext="Address"/>
          <asp:boundfield datafield="City"
            headertext="City"/>
          <asp:boundfield datafield="PostalCode"
            headertext="ZIP Code"/>
          <asp:boundfield datafield="Country"
            headertext="Country"/>
        </columns>
        
      </asp:gridview>
            
      <!-- 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.                            -->
      <asp:sqldatasource id="CustomersSqlDataSource"  
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        deletecommand="Delete [Customers] Where [CustomerID] = @CustomerID"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"
        runat="server">
      </asp:sqldatasource>
            
    </form>
  </body>
</html>


Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0

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