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Route.ProcessConstraint Method

Determines whether a parameter value matches the constraint for that parameter.

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

protected virtual bool ProcessConstraint(
	HttpContextBase httpContext,
	Object constraint,
	string parameterName,
	RouteValueDictionary values,
	RouteDirection routeDirection
)

Parameters

httpContext
Type: System.Web.HttpContextBase

An object that encapsulates information about the HTTP request.

constraint
Type: System.Object

The regular expression or object to use to test parameterName.

parameterName
Type: System.String

The name of the parameter to test.

values
Type: System.Web.Routing.RouteValueDictionary

The values to test.

routeDirection
Type: System.Web.Routing.RouteDirection

A value that specifies whether URL routing is processing an incoming request or constructing a URL.

Return Value

Type: System.Boolean
true if the parameter value matches the constraint; otherwise, false.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5 SP1

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