​

public static Int32[,] DataGridViewDataToArray(DataGridView dataGridView)

{

    Int32[,] array = new Int32[dataGridView.Rows.Count, dataGridView.Columns.Count];

    var i = 0;

    var x = 0;

    foreach (DataGridViewRow row in dataGridView.Rows)

    {

        while (x < dataGridView.Columns.Count)

        {

            Int32 value = 0;

            array[i, x] = (row.Cells[x].Value != null && Int32.TryParse(row.Cells[x].Value, out value)) ? value : 0;

            x++;

        }

        x = 0;

        i++; 

    }

​