//SECTION NEW ORDER
        #region
        private async Task <Customers> CustCheck()
        {
            if (rdbtnDefaultCustomer.Checked)
            {
                List <Customers> customers;
                if (_CustomersList != null)
                {
                    customers = _CustomersList;
                }
                else
                {
                    customers = await ControlerMethods.GetCustomersAsync(1);
                }

                return(customers.FirstOrDefault <Customers>());
            }
            else if (rdbtnNewCustomer.Checked && !txtCustomerCode.Text.Equals(""))
            {
                Customers customer = new Customers();
                customer.CompanyName = txtCustomerName.Text;
                customer.Phone       = txtCustomerPhone.Text;
                customer.CustId      = Convert.ToInt32(txtCustomerCode.Text);
                return(customer);
            }
            else
            {
                List <Customers> customers = await ControlerMethods.GetCustomersAsync(1);

                return(customers.FirstOrDefault <Customers>());
            }
        }