How can I do a multiple route constraints in ASP.NET MVC Core?

Question

I have searched a lot on the internet to find out the way to make constraints like The Customer Id should be a guid and required so that I can end up with [HttpGet("{customerId:guid|required}")], but unluckily don't have any solution to do like this. The document from Microsoft at https://learn.microsoft.com/en-us/aspnet/core/fundamentals/routing, section Route Constraint Reference also doesn't shed light on this. Could anyone can do the multiple constraint values like what I just describe? Thank you in advance.

I think it can be acheived by using required in route condition {customerId:required} and in action you can specify type of incomming customerId like Get([FromRoute]Guid customerId), later you can also check ModelState.IsValid — Marcin
– Marcin, Commented Dec 7, 2017 at 14:53

Jason · Accepted Answer · 2017-12-19 22:49:17Z

5

Simply separate the constraints with colons... {customerId:guid:required}. Constraints that take parameters are also easy to use in this way... {id:int:range(100, 999)}

answered Dec 19, 2017 at 22:49

Jason

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