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DetailsViewDeleteEventArgs.Values Property

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

Gets a dictionary of the non-key field name/value pairs for the item to delete.

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

public IOrderedDictionary Values { get; }
/** @property */
public IOrderedDictionary get_Values ()

public function get Values () : IOrderedDictionary

Property Value

A IOrderedDictionary that contains a dictionary of the non-key field name/value pairs for the item to delete.

Use the Values property to access the values of the non-key fields for the record to be deleted. For example, you can use these values to verify the record before deleting it, or to keep a log of deleted records.

NoteNote

This property does not contain the key field or fields. To access the name/value pair values for the key field or fields, use the Keys property.

The Values property returns an object that implements the IOrderedDictionary interface. The object contains DictionaryEntry objects that represent the non-key fields.

NoteNote

As a shortcut, you can also use the indexer of the IOrderedDictionary object to access the field values. The advantage in using the indexer is that it returns field values directly.

The following code example demonstrates how to use the Values property to access the values of the non-key fields of the record being deleted.


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

<script runat="server">

  void CustomerDetailsView_ItemDeleting(Object sender, 
    DetailsViewDeleteEventArgs e)
  {

    // Get customer ID and name from the Keys and Values
    // properties.
    String keyValue = e.Keys["CustomerID"].ToString();
    String customerName = e.Values["CompanyName"].ToString();

    // Cancel the delete operation if the user attempts to 
    // delete protected record. In this example, records
    // with a customer ID that starts with with "A" cannot
    // be deleted.
    if (keyValue.StartsWith("A"))
    {
      e.Cancel = true;
      MessageLabel.Text = "You cannot delete " +
        customerName + ". This customer is protected.";
    }
    else
    {
      MessageLabel.Text = "Row " + e.RowIndex.ToString() + 
        " deleted.";
    }

  }

</script>

<html>
  <body>
    <form runat="server">
        
      <h3>DetailsViewDeleteEventArgs Example</h3>
                
        <asp:detailsview id="CustomerDetailsView"
          datasourceid="DetailsViewSource"
          datakeynames="CustomerID"
          autogeneratedeletebutton="true"  
          autogeneraterows="true"
          allowpaging="true"
          onitemdeleting="CustomerDetailsView_ItemDeleting" 
          runat="server">
            
          <fieldheaderstyle backcolor="Navy"
            forecolor="White"/>
                    
        </asp:detailsview>
        
        <asp:label id="MessageLabel"
          forecolor="Red"
          runat="server"/>
            
        <!-- 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="DetailsViewSource"
          selectcommand="Select [CustomerID], [CompanyName], [Address], 
            [City], [PostalCode], [Country] From [Customers]"
          deletecommand="Delete [Customers] 
            Where [CustomerID]=@CustomerID"
          connectionstring=
            "<%$ ConnectionStrings:NorthWindConnectionString%>" 
          runat="server"/>
            
      </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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