Check out example codes for "asp net c# browser cursor wait". It will help you in understanding the concepts better.
Code Example 1
<head runat="server">
<script>
function setHourglass()
{
document.body.style.cursor = 'wait';
}
</script>
</head>
<body onbeforeunload="setHourglass();" onunload="setHourglass();">
</body>
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