public void fillBoard() { if (!isFinish) { this.Controls.Clear(); Cell[,] ans = sudokuGrid.GetAnswer(); for (int i = 0; i < 9; i++) { for (int j = 0; j < 9; j++) { SudokuCell sc = new SudokuCell(ans[i, j], j, i); this.Controls.Add(sc, j, i); } } isFinish = true; Form1.sudokuGrid = new SudokuGrid(); } }