public static bool CrearAlerta(string email, string comentarios, double longitud, double latitude)
        {
            try
            {
                EcolectModelDataContext ecolectEntities = new EcolectModelDataContext();

                Alerta nuevaAlerta = new Alerta
                {
                    email = email,
                    comentarios = comentarios,
                    longitud = longitud,
                    latitud = latitude,        
                    estado = 0     
                };

                ecolectEntities.Alertas.InsertOnSubmit(nuevaAlerta);
                ecolectEntities.SubmitChanges();

                return true;
            }
            catch (Exception ex)
            {
                return false;
            }
        }
 partial void DeleteAlerta(Alerta instance);
 partial void UpdateAlerta(Alerta instance);
 partial void InsertAlerta(Alerta instance);