public bool CheckUser(string login, string password)//проверка правильности пароля { SQLiteTable users = dBEngine["users"]; List <KeyValuePair <string, string> > searchPattern = new List <KeyValuePair <string, string> >(); searchPattern.Add(new KeyValuePair <string, string>("login", login));// searchPattern.Add(new KeyValuePair <string, string>("password", password)); KeyValuePair <long, List <string> >?userInDb = users.GetOneRow(searchPattern); if (userInDb != null) { userLoggedId = Convert.ToInt32(userInDb.Value.Key); return(true); } return(false); }