How to validate in asp.net control page without postback.?

kmistry

New member
I have a .ascx page and I want to include validation on a text box. (validation of should not be blank)... I have a wizard for registration and after clicking next button it goes to the next step of the wizard (it doesn't go to next page).. So I can not use RequiredFieldValidator. (I guess).. Please help....
 
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