There are various method to referesh the page in asp.net like...
Java Script
<script type="text/javascript">
function reloadPage()
{
window.location.reload()
}
</script></script>
Code Behind
Response.Redirect(Request.RawUrl)
Meta Tag
<meta http-equiv="refresh" content="600"></meta>
Page Redirection
Response.Redirect("~/default.aspx");