How to ensure request from an URL will not process any Unrecognised Parameter?

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You are implementing an ASP.NET MVC 2 Web application.
The URL with path /Home/Details/{country} will return a page that provides information about the named
country.
You need to ensure that requests for this URL that contain an unrecognized country value will not be
processed by the Details action of HomeController.
What should you do?
A. Add the ValidateAntiForgeryToken attribute to the Details action method.
B. Add the Bind attribute to the country parameter of the Details action method. Set the attribute's Prefix
property to Country.
C. Create a class that implements the IRouteConstraint interface. Configure the default route to use this
class.
D. Create a class that implements the IRouteHandler interface. Configure the default route to use this class.

Posted 9-Jan-13 22:27pm

Tejal S

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Suvabrata Roy 10-Jan-13 5:56am

C. would be a better idea (IRouteConstraint )

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Sandeep Mewara · Accepted Answer · 2013-01-10T03:52:00

Solution 1

C. Create a class that implements the IRouteConstraint interface. Configure the default route to use this class.
Looks like a good option. B too is an option but more of a workaround.
Details: MSDN: IRouteConstraint Interface[^]

Posted 10-Jan-13 3:52am

Sandeep Mewara

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Tejal S 11-Jan-13 0:33am

Thank you :)

Sandeep Mewara 11-Jan-13 1:19am

Welcome.