选中DataGrid的某一行

private void dataGrid1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{  try
    {
  System.Drawing.Point pt = new Point(e.X, e.Y); 
 DataGrid.HitTestInfo hti = this.dataGrid1.HitTest(pt); 
 if(hti.Type == DataGrid.HitTestType.Cell) 
 {
           this.dataGrid1.CurrentCell = new DataGridCell(hti.Row, hti.Column); 
  this.dataGrid1.Select(hti.Row); 
 }
    }
    catch
    {}   
}