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LinqDataSourceView::ValidateContextType Method

Checks whether the data context class derives from DataContext.

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

protected:
virtual void ValidateContextType(
	Type^ contextType, 
	bool selecting
)

Parameters

contextType
Type: System::Type

The type of the data context class to validate.

selecting
Type: System::Boolean

Specifies whether the method has been called when a select operation starts.

ExceptionCondition
InvalidOperationException

An insert, update, or delete operation is being performed and the data context class does not derive from DataContext.

The class that is specified in the ContextTypeName property must derive from the DataContext class in order to enable automatic insert, update, and delete operations.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5
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