public void WriteToCsv(List <Employee> employeeList)
        {
            string        databasePath = ConfigurationManager.AppSettings["CsvDatabasePath"];
            StreamWriter  sw           = new StreamWriter(databasePath, false);
            StringBuilder sb           = new StringBuilder();

            foreach (var employee in employeeList)
            {
                string stringDOB       = DateConvertor.DateObjectToString(employee.DOB);
                string stringStartDate = DateConvertor.DateObjectToString(employee.StartDate);
                string employeeDetails = $"{employee.EmployeeId},{employee.FirstName},{employee.LastName},{stringDOB},{stringStartDate},{employee.HomeTown},{employee.Department}\n";
                sb.Append(employeeDetails);
            }
            sw.WriteLine(sb);
            sw.Close();
            return;
        }