Export (0) Print
Expand All
0 out of 2 rated this helpful - Rate this topic

ObjectDataSourceSelectingEventArgs Class

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

Provides data for the Selecting event of the ObjectDataSource control.

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

public class ObjectDataSourceSelectingEventArgs : ObjectDataSourceMethodEventArgs
public class ObjectDataSourceSelectingEventArgs extends ObjectDataSourceMethodEventArgs
public class ObjectDataSourceSelectingEventArgs extends ObjectDataSourceMethodEventArgs

The ObjectDataSourceSelectingEventArgs class is used in the OnSelecting method. Because it is derived from the ObjectDataSourceMethodEventArgs class, the ObjectDataSourceSelectingEventArgs class provides access to input parameters for validation and manipulation through the InputParameters property. The ObjectDataSourceSelectingEventArgs class also provides the ExecutingSelectCount property, which is used to check whether the currently executing data retrieval operation is retrieving a row count, in addition to the data. This is important because when data source paging is enabled, the Selecting event is raised twice. For more information, see ExecutingSelectCount.

The ObjectDataSource control exposes many events that you can handle to work with the underlying business object at various times in its life cycle. The following table lists the events and associated EventArgs classes and event handler delegates.

Event

EventArgs

EventHandler

ObjectCreating.

Occurs immediately before the business object is instantiated.

ObjectDataSourceEventArgs

ObjectDataSourceObjectEventHandler

ObjectCreated.

Occurs immediately after the business object is instantiated.

ObjectDataSourceEventArgs

ObjectDataSourceObjectEventHandler

Selecting.

Occurs before the data is retrieved.

ObjectDataSourceSelectingEventArgs

ObjectDataSourceSelectingEventHandler

Inserting, Updating, and Deleting.

Occur before an insert, update, or delete operation is performed.

ObjectDataSourceMethodEventArgs

ObjectDataSourceMethodEventHandler

Selected.

Occurs after the data is retrieved.

ObjectDataSourceStatusEventArgs

ObjectDataSourceStatusEventHandler

Inserted, Updated, and Deleted.

Occur after the insert, update, or delete operation is completed.

ObjectDataSourceStatusEventArgs

ObjectDataSourceStatusEventHandler

ObjectDisposing.

Occurs before a business object is destroyed.

ObjectDataSourceDisposingEventArgs

ObjectDataSourceDisposingEventHandler

System.Object
   System.EventArgs
     System.ComponentModel.CancelEventArgs
       System.Web.UI.WebControls.ObjectDataSourceMethodEventArgs
        System.Web.UI.WebControls.ObjectDataSourceSelectingEventArgs
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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
Did you find this helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

ADD
Show:
© 2014 Microsoft. All rights reserved.