| Author: Geetha 05 Sep 2008 | Member Level: Gold | Rating:  Points: 3 |
function ValidateText(txtValue)
{
var txtVal = txtValue.Value;
var len = txtVal.length;
var Search =0;
for(var i = 0;i<len; i++)
{
if(txtVal.charAt(i) <'0' || txtVal.charAt(i)>'9')
Search = Search + 1;
}
if(Search == len)
{
alert("Numbers only Allowed");
}
}
Regards,
Geetha.
|
| Author: UltimateRengan 05 Sep 2008 | Member Level: Diamond | Rating: Points: 3 |
hi,
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
<script type ="text/javascript" >
function CheckIsNumeric()
{
var AsciiCode = event.keyCode;
if ((AsciiCode < 48) || (AsciiCode > 57))
{
alert('Please enter only numbers.');
event.cancelBubble = true;
event.returnValue = false;
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="Text1" type="text" onkeypress ="CheckIsNumeric()"/></div>
</form>
</body>
</html>
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