Download attached file in rental accommodation

Hi,

I have uploaded a .Doc file (word document) in the particular folder (Accommodation).
Now I want to see the uploaded file. I can download the specific file. But I cannot find the file saved in the folder.

Pl help on this.
ASPX
<asp:Label ID="lblFilename" runat="server" Text="File Name : " CssClass="lablefont"></asp:Label> <asp:Label ID="lblAttFileName" runat="server" CssClass="lablefont"></asp:Label>
 <asp:Button ID="btnDownload" runat="server" Text="Download File" OnClick="btnDownload_Click"/>

C#

protected void btnDownload_Click(object sender ...