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how to validate given textbox value is number

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Join Date: Jun 2007
Posts: 1
#1: Jun 21 '07
Hi,

How to validate given textbox value is number only. Suppose given text value is other than number mean it should give an alert message.

Thanks and regards,
Yegeswari

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Moderator
  
Join Date: May 2007
Location: Munich, Germany
Posts: 4,136
#2: Jun 21 '07

re: how to validate given textbox value is number

hi ...

you may use javascripts built in isNaN(stringvalue) method. (isNotaNumber ;) - returns true in case the given value is not a number) ...

kind regards ...
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