private void AddNewEnquiryReceivedMethodCommandExecute()
        {
            var newEnquiryReceivedMethod = GetNewEnquiryReceivedMethod();

            _adminDataUnit.EnquiryReceiveMethodsRepository.Add(newEnquiryReceivedMethod);
            _adminDataUnit.SaveChanges();
            EnquiryReceivedMethods.Add(newEnquiryReceivedMethod);
            NewEnquiryReceivedMethod = String.Empty;
        }
        private void DeleteEnquiryReceivedMethodCommandExecute()
        {
            var dp = new DialogParameters {
                Content = "Are you sure you want to delete " + SelectedEnquiryReceivedMethod.ReceiveMethod + " ?"
            };

            dp.Content            += "\n";
            dp.Header              = "Warning!";
            dp.OkButtonContent     = "Yes";
            dp.CancelButtonContent = "No";
            dp.Closed              = ConfirmDeleteClose;
            dp.Owner = Application.Current.MainWindow;

            RadWindow.Confirm(dp);
            if (_yesNo)
            {
                _adminDataUnit.EnquiryReceiveMethodsRepository.Delete(SelectedEnquiryReceivedMethod);
                _adminDataUnit.SaveChanges();
                EnquiryReceivedMethods.Remove(SelectedEnquiryReceivedMethod);
                _yesNo = false;
            }
        }