0
Thanks Abrar Ahmad Ansari it's working
0
Try this
<head>
<script>
function disable() {
if(document.getElementById("mySelect").selectedIndex>0)
document.getElementById("mySelect2").disabled=true;
else
document.getElementById("mySelect2").disabled=false;
}
function disable2() {
if(document.getElementById("mySelect2").selectedIndex>0)
document.getElementById("mySelect").disabled=true;
else
document.getElementById("mySelect").disabled=false;
}
</script>
</head>
<body>
<form>
<select id="mySelect" onChange="disable();">
<option>Select</option>
<option>Item1</option>
<option>Item2</option>
<option>Item3</option>
</select>
<select id="mySelect2" onChange="disable2();">
<option>Select</option>
<option>A</option>
<option>B</option>
<option>c</option>
</select>
<br><br>
</form>
</body>
</html>
0
Here only two drop downs if select selected item in first drop down automatically second drop down will disabled no need buttons.
-1