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LinqDataSourceDisposeEventArgs Class

Provides data for the ContextDisposing event.


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

public class LinqDataSourceDisposeEventArgs : CancelEventArgs

The LinqDataSourceDisposeEventArgs type exposes the following members.

Public methodLinqDataSourceDisposeEventArgsInitializes a new instance of the LinqDataSourceDisposeEventArgs class.

Public propertyCancelGets or sets a value indicating whether the event should be canceled. (Inherited from CancelEventArgs.)
Public propertyObjectInstanceGets the data context object to dispose.

Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

You create a handler for the ContextDisposing event to perform clean-up that is specific to the data context object before the object is destroyed. The LinqDataSourceDisposeEventArgs object contains the data context object that is used when you are selecting, updating, inserting, or deleting data. The ContextDisposing event is raised during the Unload event before the LinqDataSource control disposes the context object.

The data context object is the type specified in the ContextTypeName property or the type set to the ObjectInstance of the LinqDataSourceContextEventArgs class.

When the LinqDataSource control interacts with a database, the ContextTypeName property is set to the DataContext object that represents the database. When the LinqDataSource control interacts with an in-memory data collection, the ContextTypeName property is set to the object that contains the data collection.

.NET Framework

Supported in: 4, 3.5

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.