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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


Type: System.Type
The type of the data context class to validate.
Type: System.Boolean
Specifies whether the method has been called when a select operation starts.


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.

.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.

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