public HttpResponseMessage CadastrarEmpresa([FromBody] Empresa empresa)
 {
     try
     {
         return(Request.CreateResponse(HttpStatusCode.OK, EmpresaNeg.CadastrarEmpresa(empresa)));
     }
     catch (Exception ex)
     {
         return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex.Message));
     }
 }