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Numbers or letters in a TextBox - ASP.NET General

How I can have a TextBox that to only lets me enter letters or numbers?...

  1. #1

    Default Numbers or letters in a TextBox

    How I can have a TextBox that to only lets me enter
    letters or numbers?

    Pablo Guest

  2. #2

    Default Re: Numbers or letters in a TextBox

    "Pablo" <pichincha.com> wrote in news:072f01c36be3$55b6fdf0
    $gbl:
     


    You'll need to use Client side javascript.

    Or, you can put a custom validator on the server side and check the input.

    --
    Lucas Tam (com)
    Please delete "REMOVE" from the e-mail address when replying.
    http://members.ebay.com/aboutme/coolspot18/
    Lucas Guest

  3. #3

    Default Re: Numbers or letters in a TextBox

    You should always have a server side validator, just in case some of your
    users don't support JavaScript (or they turned it off). And remember,
    postbacks do not have to come from your page, it's so simple to fake a form
    submission with made up values. The moral is never trust anything that comes
    from the client, no matter how much validating JavaScript you have there.

    Jerry

    "Lucas Tam" <com> wrote in message
    news:99.99.130... 
    >
    >
    > You'll need to use Client side javascript.
    >
    > Or, you can put a custom validator on the server side and check the input.
    >
    > --
    > Lucas Tam (com)
    > Please delete "REMOVE" from the e-mail address when replying.
    > http://members.ebay.com/aboutme/coolspot18/[/ref]


    Jerry Guest

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