hye all..
now i'm doing an insert statement in asp.net using c#..
how i can make a validation for same data entry?
anyones can help me?

thanks in asdvance...

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so, in back in code no need to write anything?

Correct, insert that validator in ASP.NET page and connect it with control. Find more informations about it on the link I gave you. I don't have too much expirience with validators.

thanks =)

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