Gajulapalli prathi

my code is:

<h:inputText styleClass="inputText" id="zip" style="width: 35px;" required="true">
<hx:validateConstraint regex="^[0-9]+$" /> </h:inputText>

when the user enters alphabets....i want to display the error message:"Zip code should contain only digits"

and if the name field is required field...then the message should be "u should enter a value for name field".

how can i display this error messages...

I m displaying the check boxes in datatable .how can i find out whether at least one check box is selected or not?

i have so many text fields in my jsf page.i want to perform field validations.how can i display only the first custom error message in my jsf page.

how can i group the radio bottons for all the rows which i am displaying in the data table.

How do you display a Textarea without the vertical scrollbars.
[ October 15, 2007: Message edited by: Mark Spritzler ]