public static string myConnectionString = "SERVER=localhost;" + "PORT=3307;" + "DATABASE=gt_mp_data;" + "UID=root;" + "PASSWORD=root;";
    public static MySqlConnection connection;
    public static MySqlCommand command;
    public static MySqlDataReader reader;

    public Boolean PlayerExists(string username)
    {
        //Create new connection
        connection = new MySqlConnection(myConnectionString);
        //Create a new command
        command = connection.CreateCommand();
        //Set the command - Create a query
        command.CommandText = "SELECT * FROM user";

        //Open connection
        connection.Open();
        //Tell the reader what to read
        reader = command.ExecuteReader();
        //While the reader is still reading
        while (reader.Read())
        {
            //Select every 'socialClubName' from the table
            //string name = reader.GetString("social_club_name");
            //Check if the player with that name exists
            //API.consoleOutput(name);
            if (username == reader.GetString("Username"))
            {
                //If a user exists with this name then close the connection and return true
                connection.Close();
                return true;
            }
        }
        connection.Close();
        return false;
    }