public static string getDatos(string data = "")
{
string result = String.Empty;
EmpresaController empresaCtrl = new EmpresaController();
//HomeController homeCtrl = new HomeController();
List <EmpresaModel> lista = new List <EmpresaModel>();
//if (SitePrincipal.ExisteActiva())
//{
var userName = HttpContext.Current.User.Identity.Name;
userName = HttpContext.Current.User.Identity.Name;
lista = empresaCtrl.GetAll22(userName);
//}
//else
//{
// //if (HttpContext.Current.User.IsInRole("SA"))
// //{
// // lista = alarmaCtrl.GetAll();
// //}
//}
result = JsonConvert.SerializeObject(lista, Formatting.Indented);
return(result);
}