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restrict user to submit button

muthukumar

muthukumar

11y
1k
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i use a registration form in that when user enter a username 
 
if a username is already available i notify using ajax thats not problem
 
 
my problem is if a username is already available i want to notify the user where """type new username"
 
 
how to code for this in javascript or c#
 
 
thanks advance 
 
 
 
 
 
Answers (1)