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Numbers or letters in a TextBox - ASP.NET Building Controls

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

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  1. #1

    Default Numbers or letters in a TextBox

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

  2. #2

    Default Numbers or letters in a TextBox

    stick a regular expression validator in to validate the
    contents of the textbox and then set the
    validationexpression property of the validator control to
    allow only letters or numbers.

    check out this link for info on regular expressions:

    [url]http://msdn.microsoft.com/library/default.asp?[/url]
    url=/library/en-
    us/cpgenref/html/cpconregularexpressionslanguageelements.as
    p
    >-----Original Message-----
    >How I can have a TextBox that to only lets me enter
    >letters or numbers?
    >.
    >
    Dune Guest

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