public JsonResult BtCount() { context = HttpContext.RequestServices.GetService(typeof(BCare.data.BcareContext)) as BcareContext; String cookie = Request.Cookies["Session"]; if (cookie != null) { List <Tuple <string, int> > listHMO = context.UserBloodTestByDateStats(Int32.Parse(cookie.Substring(10))); return(Json(listHMO)); } return(Json("")); }