Regarding Displaying Error Messsage

I want to display the error message in the same page itself using jsp.
for example,in the login screen,if i click submit without entering Username and password,my jsp page page should display the error mesage in the same login page itself.it shouldnt go to an empty screen and print the result as "Enter the empty Fields".

hey praveen,
if this is only regrading checking blank fields then i will suggest u to use javascript...
else it depends on ur requirement...
Enjoy!

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