==>> Create a website in add new page and paste the Code:--
1. ASPX PAGE CODE:-
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Asp .NET control Enable or Disable using javascript</title>
<script language="javascript" type="text/javascript">
function ButtonStatus() {
var txtvalue = document.getElementById('txtVal');
if (txtvalue.value == "enable")
document.getElementById('btnEnable').disabled = false;
else
document.getElementById('btnEnable').disabled = true;
}
</script>
</head>
<body>
<div>
<input type="text" id="txtVal" onkeyup="ButtonStatus(this,'btnEnable')" />
<input type="button" id="btnEnable" value="Button" disabled="disabled" />
</div>
</body>
</html>
Hope this will help you.....
Good Job Keep It up
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