how to display gridview in right side when i click the drop

Question

  My design as follows

Branch ddlbranch(dropdownlist)

One gridview (gvResult) gridview name

Type ddlfeedbacktype (dropdownlist)
Subject txtsubject(textbox)
Comments txtcomments(textbox)

Submit(Button)

When i click ddlbranch (dropdownlist) i want to show the gridview (gvResult)
Gridview is displaying no problem.

But i want to display the Gridview (gvResult) in righ side. when i click the ddlbranch (dropdownlist).

My source as follows 

 

<asp:Panel ID="ff" runat="server" Height="451px" BackColor="Bisque"

BorderColor="BlanchedAlmond" BorderStyle="Groove" Width="931px">

 

<table style="height: 165px; width: 301px">

 

<tr>

       <td>

           <asp:Label ID="lblbranch" runat="server" Text="Branch"></asp:Label>

           <asp:DropDownList ID="ddlbranch" runat="server"

          onselectedindexchanged="ddlbranch_SelectedIndexChanged">

<asp:ListItem>KALPAKKAM</asp:ListItem>

<asp:ListItem>KILPAUK</asp:ListItem>

<asp:ListItem>TIDELPARK</asp:ListItem>

</asp:DropDownList>

 

<asp:Panel ID="pnlresult" runat="server">

 

<asp:GridView ID="gvResult" runat="server" BackColor="LightGoldenrodYellow"

BorderColor="Tan" BorderWidth="1px" CellPadding="2" ForeColor="Black"

GridLines="None">

<AlternatingRowStyle BackColor="PaleGoldenrod" />

<FooterStyle BackColor="Tan" />

<HeaderStyle BackColor="Tan" Font-Bold="True" />

<PagerStyle BackColor="PaleGoldenrod" ForeColor="DarkSlateBlue"

HorizontalAlign="Center" />

 

<SelectedRowStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />

<SortedAscendingCellStyle BackColor="#FAFAE7" />

<SortedAscendingHeaderStyle BackColor="#DAC09E" />

<SortedDescendingCellStyle BackColor="#E1DB9C" />

<SortedDescendingHeaderStyle BackColor="#C2A47B" />

</asp:GridView>

 

  </asp:Panel>

</td>

    </tr>

<tr>

       <td>

   <asp:Label ID="lblfeedbacktype" runat="server" Text="Type"></asp:Label>

   <asp:DropDownList ID="ddlfeedbacktype" runat="server">

     </asp:DropDownList>

    </td>

</tr>

<tr>

          <td>

    <asp:Label ID="lblsubject" runat="server" Text="Subject"></asp:Label>

       <asp:TextBox ID="txtsubject" runat="server"></asp:TextBox>

         </td>

</tr>

<tr>

 

      <td>

        <asp:Label ID="lblcomments" runat="server" Text="Comments"></asp:Label>

           <asp:TextBox ID="txtcomments" runat="server"></asp:TextBox>

      </td>

</tr>

 

 

<tr>

         <td>

              <asp:Button ID="btnSave" ForeColor="Blue" runat="server" Text="Submit" BackColor= "SaddleBrown"

                 BorderColor="BlanchedAlmond" BorderStyle="Ridge" Width="242px" />

         </td>

</tr>

</table>

</asp:Panel>

 

When i click the dropdownlist (ddlbrnach) i want to show the gridview in right side not in below of dropdownlist.
from my above source what changes i have to made to get correct output.

Regards,
Narasiman P.