public DEVICE SearchIDs(string ID) { AGRIBOTSYSTEMDataContext context = new AGRIBOTSYSTEMDataContext(); DEVICE device = context.DEVICEs.FirstOrDefault(x => x.ID == ID); USR_DV usr_dv = context.USR_DVs.FirstOrDefault(x => x.IDDV == device.ID); if (usr_dv != null) { device.ID = null; } return(device); }
public bool LuuUserDevice(string ID_User, string ID_Device) { try { AGRIBOTSYSTEMDataContext context = new AGRIBOTSYSTEMDataContext(); USR_DV dv = new USR_DV(); dv.IDDV = ID_Device; dv.IDUSR = ID_User; dv.DateConnect = DateTime.Now.Date; context.USR_DVs.InsertOnSubmit(dv); context.SubmitChanges(); return(true); } catch { } return(false); }