public HttpResponseMessage CheckLoginEmail(ValidationParameter parameter) { var transaction = new TransactionalInformation(); var exists = docDataService.CheckLoginEmail(parameter.ID, parameter.Type, parameter.ContentToValidate, connectionString, SessionToken, out transaction); if (transaction.ReturnStatus) { if (exists) { return(Request.CreateResponse(HttpStatusCode.NotAcceptable)); } return(Request.CreateResponse(HttpStatusCode.OK)); } return(Request.CreateResponse(HttpStatusCode.BadRequest)); }