public JsonResult Consultar() { var data = new List<CentroEstudio>(); string conexion = ProvedorHileraConexion.ConstruirHilera("localhost", "sa", "root"); using (ModeloSagethDocente dc = new ModeloSagethDocente(conexion)) { dc.Database.Connection.Open(); data = dc.ObtenerCentrosestudio(); dc.Database.Connection.Close(); } System.GC.Collect(); return Json(data, JsonRequestBehavior.AllowGet); }