public ResponsePatients GetAll(string parentId) { ResponsePatients ans = null; try { if (ValidateSecurityAPI()) { ans = PatientModel.GetAll(parentId); } else { ans = new ResponsePatients() { IsSuccessful = false, ResponseMessage = AppManagement.MSG_API_Validation_Failure }; } } catch (Exception ex) { ans = new ResponsePatients() { IsSuccessful = false, ResponseMessage = AppManagement.MSG_GenericExceptionError }; } return(ans); }