public User(ulong ID = 0) { this.ID = ID; if (!DBFunctions.UserExists(ID)) { using (var con = new SQLiteConnection(Constants.Values.DB_CONNECTION_STRING)) { con.Open(); var stm = "INSERT INTO USERS(USER_ID) VALUES(@id)"; using (var cmd = new SQLiteCommand(stm, con)) { cmd.Parameters.AddWithValue("@id", ID); cmd.ExecuteNonQuery(); } } } }