private void UpdatePictureBox() {

      pictureBox.Image = null;
      statusBar.Panels[ 0 ].Text =  "";
      DataTable table = dataSet.Tables["Table"];
      if (dataGrid.CurrentRowIndex >=  0  && dataGrid.CurrentRowIndex < table.Rows.Count) {
        object val = table.Rows[dataGrid.CurrentRowIndex]["Picture"];
        if (val != DBNull.Value) {
          if (((byte[])val).Length >  0 )
            pictureBox.Image = Bitmap.FromStream(new MemoryStream((byte[])val));
          statusBar.Panels[ 0 ].Text =  "Size: " + ((byte[])val).Length.ToString();
        }
      }
    }