Why is validation always done on the server? When does that occur?

Why is validation always done on the server? When does that
occur?

Question Posted / raghumadhav tirunagari

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Why is validation always done on the server? When does that occur? ..

Answer / raghumadhav tirunagari

Server side validation is always performed in case a browser
doesn't support DHTML. However, to catch invalid entries,
you should check the IsValid property.When users try to
circumvent the client side code by saving it or by
modifying it with different tools.

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Why is validation always done on the server? When does that occur? ..

Answer / saad

It is not always done on server, it can be done on client
side as well but its secure on server side. if the data is
not correctly enter then the request will be sent back to
client side with error message(round trip), so to avoid
that Page's IsValid Property must be used for each control.

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