private static void AddTask(Task task, frmListTask frmListTask) { if (frmListTask == null) { return; } if (task.Status == true.ToString()) { frmListTask.AddCompletegTask(task); } else { if (task.EndDate.Value > DateTime.Now) { frmListTask.AddDoingTask(task); } else { frmListTask.AddExpiredTask(task); } } }