<tbody  class="tbDOIndustryModifierCls" style="width: 100%;display:none;margin:0" id="tbDOIndustryModifierComments" runat="server">
                                                    <td>
                                                        <asp:Label CssClass="raterLabel lblDOIndustryModifierComments" ID="Label11" runat="server">
                                                            &emsp;&emsp;Comments:
                                                        </asp:Label>
                                                    </td>
                                                    <td colspan="2">
                                                        <asp:textbox Width="100%" ID="txtDOIndustryModifierComments" CssClass="txtDOIndustryModifierComments" runat="server"></asp:textbox>
                                                    </td>
                                                    </tbody>

If Not IsNothing(comment) Then
                    txtDOIndustryModifierComments.Text = comment
                    tbDOIndustryModifierComments.Style.Add(DISPLAY, BLOCK)
                End If

If (tbDOIndustryModifierComments.Style(DISPLAY) = NONE) Then _
 'logic