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RouteData.GetRequiredString Method

Retrieves the value with the specified identifier.

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

Public Function GetRequiredString ( _
	valueName As String _
) As String


Type: System.String
The key of the value to retrieve.

Return Value

Type: System.String
The element in the Values property whose key matches valueName.


A value does not exist for valueName.

.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.

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