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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)

public void ExtractForeignKey(
	IDictionary dictionary,
	string value


Type: System.Collections.IDictionary
A dictionary object that contains the new values for a data field.
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, 3.5 SP1

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.