Route.ProcessConstraint Method

Reference

Definition

Namespace:: System.Web.Routing

Assembly:: System.Web.Routing.dll

Assembly:: System.Web.dll

Important

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

protected:
 virtual bool ProcessConstraint(System::Web::HttpContextBase ^ httpContext, System::Object ^ constraint, System::String ^ parameterName, System::Web::Routing::RouteValueDictionary ^ values, System::Web::Routing::RouteDirection routeDirection);

protected virtual bool ProcessConstraint (System.Web.HttpContextBase httpContext, object constraint, string parameterName, System.Web.Routing.RouteValueDictionary values, System.Web.Routing.RouteDirection routeDirection);

abstract member ProcessConstraint : System.Web.HttpContextBase * obj * string * System.Web.Routing.RouteValueDictionary * System.Web.Routing.RouteDirection -> bool
override this.ProcessConstraint : System.Web.HttpContextBase * obj * string * System.Web.Routing.RouteValueDictionary * System.Web.Routing.RouteDirection -> bool

Protected Overridable Function ProcessConstraint (httpContext As HttpContextBase, constraint As Object, parameterName As String, values As RouteValueDictionary, routeDirection As RouteDirection) As Boolean

Parameters

httpContext: HttpContextBase

An object that encapsulates information about the HTTP request.

constraint: Object

The regular expression or object to use to test parameterName.

parameterName: String

The name of the parameter to test.

values: RouteValueDictionary

The values to test.

routeDirection: RouteDirection

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

Returns

Boolean

true if the parameter value matches the constraint; otherwise, false.

Exceptions

InvalidOperationException

constraint is not a string that contains a regular expression.

Applies to

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