Open file explorer from a web page

<form id="form1" runat="server"> <asp:FileUpload id="FileUploadControl" runat="server" /> <asp:Button runat="server" id="UploadButton" text="Upload" onclick="UploadButton_Click" /> <br /><br /> <asp:Label runat="server" id="StatusLabel" text="Upload status: " /> form>

protected void UploadButton_Click(object sender, EventArgs e) {     if(FileUploadControl.HasFile)     {         try         {             string filename = Path.GetFileName(FileUploadControl.FileName);             FileUploadControl.SaveAs(Server.MapPath("~/") + filename);             StatusLabel.Text = "Upload status: File uploaded!";         }         catch(Exception ex)         {             StatusLabel.Text = "Upload status: The file could not be uploaded. The following error occured: " + ex.Message;         }     } }