C# Winform DatagridView Numeric Column Sorting

private void dataGridView1_SortCompare(object sender, DataGridViewSortCompareEventArgs e)
{
   if (e.Column.Index == 0)
   {
       if (double.Parse(e.CellValue1.ToString()) > double.Parse(e.CellValue2.ToString()))
       {
           e.SortResult = 1;
       }
       else if (double.Parse(e.CellValue1.ToString()) < double.Parse(e.CellValue2.ToString()))
       {
           e.SortResult = -1;
       }            
       else
       {
           e.SortResult = 0;
       }
       e.Handled = true;
  }
}