While using server side validations in asp.net why request does not go to the server..i mean why postback doesn't occurres ?

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I heard that while using server side validaion request goes to the server and response came..so if request is going to server then post back should occure right?? If not then can I say server side validation is also done at client side like javascript??

Posted 3-Feb-15 20:33pm

Pravin Survase

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Peter Leow · Answer 1 · 2015-02-03T22:11:00

Solution 1

Of course, it will go to the server, else it would not be called server-side. Check this out: Validating ASP.NET Server Controls[^]

Posted 3-Feb-15 22:11pm

Peter Leow

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Pravin Survase 4-Feb-15 8:19am

my question why POSTBACK doesn't occurre even if request is going to server....take one textbox and required field validator and then click on button and then see postback occurres or not...it doesn't occurre ..it directly shows your error message without post back. So my question is why it doesn't do post back??

Peter Leow 4-Feb-15 8:52am

Add code snippet using the Improve question widget.

Nitij 16-Feb-15 4:59am

Asp.Net implements equivalent validations in javascript for your inputs. It only works for inbuilt validations like required, range etc.

Pravin Survase · Answer 2 · 2015-02-15T22:40:00

Solution 2

May be Server side validator uses their internal ajax calls to validatate controls that's why post back does not occur.If post back occurs it wouldn't be a validation.

Posted 15-Feb-15 22:40pm

Pravin Survase