public static List <t1> T1GetGroups() { using (var db = new etykietyEntities()) { return(db.t1.ToList()); } }
public static List <t3> T2GetGroupElements(int idGrupa) { using (var db = new etykietyEntities()) { return(db.t3.Where(r => r.id_grupa == idGrupa).ToList()); //return db.t2.Where(r => r.id_grupa == idGrupa).ToList(); } }