private void LoadActivities()
{
if (!TimeSpan.TryParse(WebConfigurationManager.AppSettings["CacheActivityRemindersResultTimeout"], out reminderTimeout))
{
reminderTimeout = CachedResult <int> .TimeoutOneMinute;
}
IList <Activity> activityList = Reminders.GetRemindersList(GetSearchOptions());
Page.Session["USER_REMINDER_COUNT_RESULT"] = new CachedResult <int>(reminderTimeout, () => activityList.Count);
grdActivityReminders.DataSource = ResultsToDataSet(activityList);
grdActivityReminders.DataBind();
}