Numbers Only
Javascript function to only allow numbers in a textbox.
Example Textbox
<input type="text" name="txtExample" id="txtExample" onkeydown="return NumbersOnly(event);" />
Javascript Code
<script type="text/javascript">
function NumbersOnly(evnt){
var key = evnt.keyCode? evnt.keyCode : evnt.charCode
//DELETE = 46
//BACKSPACE = 8
//ZERO = 48; 9 = 57 KEYBOARD KEYS
//ZERO = 96; 9 = 105 NUMBER PAD KEYS
if((key > 95 && key < 106) || (key > 47 && key < 58) || key == 8)
return true;
return false
}
</script>