Javascript allow only numbers to be entered in a textbox
<HTML> <HEAD> <SCRIPT language=Javascript> function isNumberKey(evt) { var charCode = (evt.which) ? evt.which : event.keyCode if (charCode > 31 && (charCode < 48 || charCode > 57)) return false; return true; } </SCRIPT> </HEAD> <BODY> <INPUT onkeypress="return isNumberKey(event)" type="text" name="txtChar"> </BODY> </HTML> source : http://wikipedia.org, http://tutorial101.blogspot.com, http://youtube.com
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