<div style="height:20px; width:385px; background-color:red; float:none;" align="left">
     <table style="width: 100%; border: 1px solid #000000; background-color: #C0C0C0">
                                    <tr>
                                        <td width="100px">
                                            &nbsp;</td>
                                        <td width="100px">
                                            &nbsp;</td>
                                    </tr>
        </table>
</div>  
  <div style="height:200px;" align="left">
      <asp:Panel ID="PnlNot" runat="server" ScrollBars="Vertical" Height="200px" >        
                <asp:GridView ID="GrVwAlrt" runat="server" CssClass="datagrid" AutoGenerateColumns="False" Width="200" OnRowDataBound="GrVwAlrt_RowDataBound" 
            ShowHeader="False" UseAccessibleHeader="False">
                    <Columns>
                        <asp:BoundField DataField="nome_campo1" ReadOnly="True"  />
                        <asp:BoundField DataField="nome_campo2" ReadOnly="True"  />
                    </Columns>
                </asp:GridView>
         </div>