public JsonResult Insertar(CentroEstudio data) { string conexion = ProvedorHileraConexion.ConstruirHilera("localhost", "sa", "root"); using (ModeloSagethDocente dc = new ModeloSagethDocente(conexion)) { dc.Database.Connection.Open(); try { dc.InsertarCentroEstudio(data); return Json(new { status = "ok" }); } catch { return Json(new { status = "error" }); } finally { dc.Database.Connection.Close(); } } }