private void cmdSolve_Click(object sender, EventArgs e)
{
int currentNumber = -1;
int[,] sudokuTable = new int[_size, _size];
//extract the table from the datagridview
for (int rows = 0; rows < dgvSudokuTable.Rows.Count; rows++)
{
for (int col = 0; col < dgvSudokuTable.Rows[rows].Cells.Count; col++)
{
if (dgvSudokuTable.Rows[rows].Cells[col].Value == null)
{
sudokuTable[rows, col] = -1;
}
else
{
string value = dgvSudokuTable.Rows[rows].Cells[col].Value.ToString();
try
{
currentNumber = int.Parse(value);
if (currentNumber > _size)
{
throw new ValidationException("Sudoku table not valid! Allowed values are from 1 to " +
_size);
}
}
catch (ValidationException v)
{
MessageBox.Show(v.Message);
return;
}
catch (Exception)
{
MessageBox.Show(
"Something happened. Most likely you inserted a character instead of a number somewhere");
return;
}
sudokuTable[rows, col] = currentNumber;
}
}
}
//end extraction of values from data grid view
try
{
Validator.ValidateSudokuTable(sudokuTable);
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
return;
}
int[,] solution;
if (rbBFS.Checked)
{
solution = Solver.FindSolution(sudokuTable);
}
else
{
solution = Solver.FindSolutionGBFS(sudokuTable);
}
if (solution == null)
{
MessageBox.Show("A solution has not been found!");
return;
}
for (int rows = 0; rows < dgvSudokuTable.Rows.Count; rows++)
{
for (int col = 0; col < dgvSudokuTable.Rows[rows].Cells.Count; col++)
{
dgvSudokuTable.Rows[rows].Cells[col].Value = solution[rows, col];
}
}
}
