public void ChangeNotitficationStatus(string notificationIds, int toUserID)
{
if (!string.IsNullOrEmpty(notificationIds))
{
string[] arrNotificationIds = notificationIds.Split(',');
int[] ids = arrNotificationIds.Select(m => Convert.ToInt32(m)).ToArray();
_UserRepo.ChangeNotificationStatus(ids);
RefreshNotificationCounts(toUserID);
}
}