private void BtnAddEvent_Click(object sender, EventArgs e)
        {
            EventActionForm eventActionForm = new EventActionForm();

            eventActionForm.Activate();
            eventActionForm.Show();
        }
 private void BtnViewEvent_Click(object sender, EventArgs e)
 {
     if (EventListView.SelectedItems.Count > 0)
     {
         Event           selectedEvent   = (Event)EventListView.SelectedItems[0].Tag;
         EventActionForm eventActionForm = new EventActionForm(selectedEvent);
         eventActionForm.Activate();
         eventActionForm.Show();
     }
     else
     {
         MessageBox.Show("Select a EVENT", "WARNING", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
 }