Client side Validation ?

G

Guest

I have following queries regarding Client side validation :

1) I am using a ASP.NET web Control on my form to submit the data entered by
the user. I want to perform Validation when the user clicks this Button.
However i have no idea how to call a client side javascript function on the
button click ? pls help

2) Also I want that the form shall not be submitted back to server if the
Validation fails. Is it possible ? How to do it?

3) Is it possible to use ASP.NET validation controls and cause them to give
pop-ups instead of error messages on the screen. How shall i proceed in this
regard?

Any help is appreciated.
 

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