private void TimerControlComputerActive_Tick(object sender, EventArgs e)
 {
     try
     {
         LoadComputerActive();
         LoadComputerItemList();
         LoadUserList();
         LoadShopItemList();
         LoadTransactionList();
     }
     catch (Exception exc)
     {
         MessageBox.Show(exc.Message);
         TimerControlComputerActive.Stop();
     }
 }
 private void AdminDashboardForm_EnabledChanged(object sender, EventArgs e)
 {
     try
     {
         if (Enabled == false)
         {
             TimerControlComputerActive.Stop();
         }
         else
         {
             TimerControlComputerActive.Start();
         }
     }
     catch (Exception exc)
     {
         MessageBox.Show(exc.Message);
     }
 }