Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler);
function EndRequestHandler(sender, args) {
  if (args.get_error() != undefined) {
     if(args.get_error().message.substring(0, 51) == "Sys.WebForms.PageRequestManagerParserErrorException") {
         window.location.reload();
         args.set_errorHandled(true);
     }
  }
}