LinqDataSourceView.ValidateContextType(Type, Boolean) Method

Reference

Definition

Namespace:: System.Web.UI.WebControls

Assembly:: System.Web.Extensions.dll

Important

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Checks whether the data context class derives from DataContext.

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

protected virtual void ValidateContextType (Type contextType, bool selecting);

abstract member ValidateContextType : Type * bool -> unit
override this.ValidateContextType : Type * bool -> unit

Protected Overridable Sub ValidateContextType (contextType As Type, selecting As Boolean)

Parameters

contextType: Type

The type of the data context class to validate.

selecting: Boolean

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

Exceptions

InvalidOperationException

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

Remarks

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.

Applies to