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MetaForeignKeyColumn.ExtractForeignKey Method

Saves the value of a foreign key in the specified dictionary.

Namespace:  System.Web.DynamicData
Assembly:  System.Web.DynamicData (in System.Web.DynamicData.dll)

'Declaration
Public Sub ExtractForeignKey ( _
	dictionary As IDictionary, _
	value As String _
)

Parameters

dictionary
Type: System.Collections.IDictionary

A dictionary object that contains the new values for a data field.

value
Type: System.String

The value of the foreign key.

The ExtractForeignKey method is used to save the value of a foreign key in the dictionary that contains all the new values for a data field. Typically, the ExtractForeignKey method is used when a new value is selected from a DropDownList control for the foreign key field.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5 SP1
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