public HumanResourcesService() : base() { IEmployeeDA employeeDA; IPersonPhoneDA employeePhoneDA; if (DataMethod == 0) { employeeDA = new Data.EntityFramework.Core.EmployeeDA(); employeePhoneDA = new Data.EntityFramework.Core.PersonPhoneDA(); } else if (DataMethod == 1) { employeeDA = new Data.Dapper.Core.EmployeeDA(); employeePhoneDA = new Data.Dapper.Core.PersonPhoneDA(); } else { throw new NotImplementedException(); } EmployeeDA = employeeDA; PhoneDA = employeePhoneDA; }