display error when user input character

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hi, i would like to ask on how to prevent or display alert that user must not input any character in my text field because i want user just to input numbers in that text field.

any help are much appreciated. :)

Posted 29-Mar-11 6:47am

silverantes

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Monjurul Habib · Answer 1 · 2011-03-29T07:52:00

Solution 2

http://stackoverflow.com/questions/18082/validate-numbers-in-javascript-isnumeric[^]

If i misunderstand your question, please feel free to correct me.

Posted 29-Mar-11 7:52am

Monjurul Habib

Raj Bose · Answer 2 · 2011-03-29T06:49:00

Solution 1

u can use javascript for tat

Use

var attendees = "Four members present";
// Ensure that the value is numerical
if( isNaN(attendees) )
    alert("Please enter a number for the number of attendees.");

function for that
Regards
Raj

Posted 29-Mar-11 6:49am

Raj Bose

Updated 29-Mar-11 7:12am

v3

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silverantes 29-Mar-11 12:55pm

thx Raj, i will try ur code and reply here if i have any problem with it :)