왜 안되는지 확인 필요

        private void MainGrid_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                DataGridViewRow row = MainGrid.Rows[e.RowIndex];

                Console.WriteLine($"row: {row}");
                Console.WriteLine($"e.RowIndex: {e.RowIndex}");
            
                string name = row.Cells[e.RowIndex].Value.ToString();

                DetailForm detailForm = new DetailForm();
                detailForm.ShowDialog();

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }