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IRouteConstraint Interface

Definition

Defines the contract that a class must implement in order to check whether a URL parameter value is valid for a constraint.

public interface class IRouteConstraint
public interface IRouteConstraint
type IRouteConstraint = interface
Public Interface IRouteConstraint
Derived

Remarks

When you include a constraint for a URL parameter in a route definition, you must represent the constraint as either string or as an object that implements the IRouteConstraint interface. If the constraint is a string, it is treated as a regular expression. You create a class that implements IRouteConstraint when you cannot represent the validation logic easily as a regular expression. You add the validation logic in the Match method.

Methods

Match(HttpContextBase, Route, String, RouteValueDictionary, RouteDirection)

Determines whether the URL parameter contains a valid value for this constraint.

Applies to

See also