Higlighing maximum value in DataGridView

  #region " Higlighing maximum value "

                    DataGridViewRow dgvRow = (DataGridViewRow)dgvMemberAccuracy.Rows[dgvMemberAccuracy.Rows.Count - 1];

                    foreach (DataGridViewCell dgvCell in dgvRow.Cells)

                    {

                        if (dgvCell.OwningColumn.Index > 2 )

                        {

                            object oTotal = dgvMemberAccuracy.Rows.Cast<DataGridViewRow>()

                                                 .Where(r => (r.Cells[dgvCell.OwningColumn.Index].Value != DBNull.Value && r.Cells[dgvCell.OwningColumn.Index].Value != null && r.Index != dgvRow.Index))

                                                 .Max(t => t.Cells[dgvCell.OwningColumn.Index].Value);

                            if (oTotal != null)

                            {

                                decimal dTotal = Convert.ToDecimal(oTotal);

                                Array arrTemp = (dgvMemberAccuracy.Rows.Cast<DataGridViewRow>()

                                            .Where(r => (r.Cells[dgvCell.OwningColumn.Index].Value != DBNull.Value) && r.Index != dgvRow.Index && r.Cells[dgvCell.OwningColumn.Index].Value.ToString() == dTotal.ToString())

                                            .ToArray());

                                foreach (DataGridViewRow dgr in arrTemp)

                                {

                                    dgvMemberAccuracy.Rows[dgr.Index].Cells[dgvCell.OwningColumn.Index].Style.BackColor = Color.Green;

                                }

                            }

                        }

                    }

                    #endregion " Higlighing maximum value "