private string GetNewInputForArea(int areaToEdit) { string customerID = _fi.Name.Substring(8, 1); switch (areaToEdit) { case 1: case 2: Console.WriteLine($"Please enter a new first/last name for Customer{customerID}"); return(CustomerBuilder.GetValidCustomerName()); case 3: Console.WriteLine($"Please enter a new mobile numberfor Customer{customerID}"); return(CustomerBuilder.GetValidCustomerTelNum()); case 4: Console.WriteLine($"Please enter a new date of birth (DD/MM/YY) for Customer{customerID}"); return(CustomerBuilder.GetValidDOB().ToString()); } return(""); }