public void CompetitionSignUp(Int16 carid, Int16 competitionid)
 {
     try {
         DBController dbc = new DBController();
         dbc.CompetitionSignUp(carid, competitionid);
         dbc.Close();
     } catch (Exception e) {
         Console.WriteLine(e.ToString());
         DBController dbc = new DBController();
         dbc.AddLog("CompetitionSignUp?carid={carid}&competitionid={competitionid}", carid, null, competitionid, e.ToString().Substring(0, Math.Min(e.ToString().Count(), 254)), "");
         dbc.Close();
     }
     return;
 }