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Javascript validate positive integer value with decimal places

Posted By:Amit Mehra       Posted Date: March 26, 2010    Points: 10    Category: Javascript    URL: http://www.dotnetspark.com  

This JavaScript function will allow user to enter only positive integer value in the textbox in asp.net.

This javascript function will allow user to enter integer value with decimal places.

This JavaScript function you can all in onkeypress event of the textbox and it will validate the user entered value in client side.

function allowPositiveNumber(e) {
            var charCode = (e.which) ? e.which : event.keyCode
            if (charCode > 31 && (charCode < 46 || charCode > 57 )) {
                return false;
            return true;

And Below is the HTML Text Box code


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