LinqDataSourceView.ValidateContextType Method (Type, Boolean)

 

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.

Exception Condition
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.

.NET Framework
Available since 3.5
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