protected void Application_BeginRequest(object sender, EventArgs e)
{
CultureInfo newCulture = (CultureInfo)System.Threading.Thread.CurrentThread.CurrentCulture.Clone();
newCulture.DateTimeFormat.ShortDatePattern = "dd-MMM-yy";
newCulture.DateTimeFormat.DateSeparator = "-";
Thread.CurrentThread.CurrentCulture = newCulture;
}