public static void ClearAllDic()
 {
     try
     {
         DicArea.Clear();
         DicConnection.Clear();
         DicConnectionStatus.Clear();
         DicConnectionType.Clear();
         DicContract.Clear();
         DicContractStatus.Clear();
         DicCustomer.Clear();
         DicCustomerFeedback.Clear();
         DicDetailImportReceipt.Clear();
         DicDevice.Clear();
         DicDeviceType.Clear();
         DicEmployee.Clear();
         DicFee.Clear();
         DicImage.Clear();
         DicImportReceipt.Clear();
         DicManufacturer.Clear();
         DicPayment.Clear();
         DicPaymentFee.Clear();
         DicProvider.Clear();
         DicServiceForm.Clear();
         DicServiceFormStatus.Clear();
         DicServicePack.Clear();
         DicServicePackFee.Clear();
         DicStore.Clear();
     }
     catch (Exception ex) { LogTo.Error(ex.ToString()); }
 }