private static void ObjectCastTest() { object rInfor = null; RInfor infor = rInfor as RInfor; Console.WriteLine(infor == null); }
private static void AddRInfor(RInfor rInfor, string connString) { DBCTXTContext dbc = new DBCTXTContext(connString); dbc.RentInfors.Add(rInfor); dbc.SaveChanges(); }