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Validation for Numbers, Period and Percentage

Posted By:Lakhan Pal Garg       Posted Date: November 03, 2009    Points: 10    Category: Javascript    URL: http://www.dotnetspark.com  
 

Validation for Numbers, Period and Percentage using javascript.

function NumericValidation(page)
{
var keyvalue=0;
if(navigator.appName=='Microsoft Internet Explorer')
{
    keyvalue=event.keyCode;
}
else
{
    keyvalue=page.which;
}
if((keyvalue >= 48 && keyvalue <= 57 )||(keyvalue == 46 )||(keyvalue == 37 )|| (keyvalue == 13))
{
return true;
}
else
{
alert("Only Numbers, Period and Percentage Symbols are allowed");
return false;
}
}


Call the above function on key press event of text box. like: onKeyPress="return NumericValidation(event);" 

Thanks & Regards
Lakhan Pal Garg
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