public bool BitikBiletSifirla() { try { string sql = "update KIOSK_AYAR set TotalTag = 0 " + "from TERMINALLER T JOIN PERSONELLER P ON T.TID = P.TID " + "JOIN KIOSK_AYAR K ON P.PID = K.TagOverFlowPerId " + "WHERE T.TID = " + terminal.TID; DBProcess.ExecuteSQL(sql); return(true); } catch (Exception) { return(false); } }