asp.net mvc 3 serverside remote validation not working on submit through fiddler

Question

I am trying to understand how remote validation works. It works great client side or in browser. This is what I did, I need to check if a username exists while registration. So I added remote validation and it worked perfectly in browser. I wanted to test it on submit, so I captured the request in Fiddler and changed the username to something that exists and then submitted the request. It accepted. RemoteValidation did not occur (of course it failed at db). Hence doesn't it validate on server side?

Couple of days ago I thought that, too and I was lazy to do what you just did : diving into it. — tugberk, Sep 25 '11 at 18:47
@Jonna see this blog post : http://www.tugberkugurlu.com/archive/asp-net-mvc-server-side-remote-validation — tugberk, Nov 06 '11 at 20:33

score 2 · Accepted Answer · answered Sep 25 '11 at 18:36

2

Hence doesn't it validate on server side?

No, of course that it doesn't validate on the server. It's just an AJAX call when you modify the value of the corresponding input but when the form is submitted you should obviously perform this validation once again.

answered Sep 25 '11 at 18:36

Darin Dimitrov

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Somehow it is counter intuitive because other validators do apply on the server side as well. Anyway thanks for confirming. – Jonna Sep 25 '11 at 20:00
@Darin Dimitrov So It will not be executed on submit? – SurajS Aug 04 '15 at 07:22

asp.net mvc 3 serverside remote validation not working on submit through fiddler

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