Update panel Not working only showing Update progress Gif nothing happening

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ASP.NET

My Problem is i have a Button inside Update panel when i'm clicking it then it only showing Update progress gif but nothing happening but when i'm removing update panel then code it working Fine.But i want to use Update panel to perform this task anyone can help?thanks in advance.

here is my code-

<div id ="shahid">
       <asp:ScriptManager ID="ScriptManager1" runat="server">
      </asp:ScriptManager>
      <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
      
      <ContentTemplate>
<div id="rights">
<div id="my" style="margin-removed150px">
<span id="profile" style="margin-removed300px;color:Red;font-size:25px;font-family:Script MT Bold ">Change Picture</span>
<hr style="width:240px; size:5px; color:#2291FF"/>

      
    <asp:FileUpload ID="FileUpload1" runat="server" style="margin-left:230px;margin-top:50px" />
   <br /> <asp:Button ID="Button1" runat="server" Text="Change" 
        style="margin-left:230px;margin-top:10px" onclick="Button1_Click" /><br />
    <asp:Label ID="Label1" runat="server" style="margin-left:230px;margin-top:10px" ></asp:Label>
    <asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1">
    <ProgressTemplate>
    <img src="image/ajax.gif" />
    
    </ProgressTemplate>
    </asp:UpdateProgress>
    
                        </div>



  
</div>
<div id="left">


    <asp:Image ID="Image1" runat="server" Height="155px" Width="150px" />


    <div id="menuwrapper">
        <ul>
            <li><a href="#">Home</a></li>
            <li><a href="#">Edit Profile</a>
                <ul>
                    <li><a href="#">Product 1</a>
                        <ul>
                            <li><a href="#">Sub Product 1</a></li>
                            <li><a href="#">Sub Product 2</a></li>
                            <li><a href="#">Sub Product 3</a></li>
                        </ul>
                    </li>
                    <li><a href="#">Product 2</a></li>
                    <li><a href="#">Product 3</a></li>
                </ul>
            </li>
            <li><a href="#">My Comments</a>
                <ul>
                    <li><a href="#">Faqs</a></li>
                    <li><a href="#">Contact Us</a></li>
                    <li><a href="#">Where are we?</a></li>
                </ul>
            </li>
            <li><a href="#">Setting</a>
        </li></ul>
    </div>
</div>
</ContentTemplate>
</asp:UpdatePanel>
</div>

and CS part is-

protected void Button1_Click(object sender, EventArgs e)
    {
        Thread.Sleep(2000);

        string name = FileUpload1.FileName;
            string ext = System.IO.Path.GetExtension(this.FileUpload1.PostedFile.FileName);
            //Label1.Text = name + " " + ext;
            if (FileUpload1.PostedFile.ContentLength == 0)
            {

                Label1.Text = "Can't upload zero length file";
                Label1.ForeColor = System.Drawing.Color.Red;
            }

            else
                if (ext == ".jpg" || ext == ".png" || ext == ".bmp")
                {
                    DateTime dt = DateTime.Now;
                    string tme = dt.ToLongTimeString();
                    string[] t = tme.Split(':');

                    string y = "";
                    foreach (string x in t)
                    {
                        y += x;
                    }

                    string aa = y + "_" + name;
                    string location = Server.MapPath("") + "\\Profilepic\\" + aa;
                    //string location2 = Server.MapPath("")+"\\images\\" + "\\" + DropDownList1.SelectedItem.Text + aa;


                    FileUpload1.PostedFile.SaveAs(location);
                    //Bitmap OriginalBM = new Bitmap(location);

                    //Size newSize = new Size(100, 100);
                    //Bitmap ResizedBM = new Bitmap(OriginalBM, newSize);

                    //ResizedBM.Save(location2, ImageFormat.Jpeg);
                    string loc = aa;

                    string SqlConnect = System.Configuration.ConfigurationManager.ConnectionStrings["Connect"].ConnectionString;
                    SqlConnection Sqlconn = new SqlConnection(SqlConnect);
                    SqlCommand Sqlcomm = new SqlCommand("Update signup set dpurl='"+loc+"' where email='" + Session["email"].ToString() + "'", Sqlconn);
                    Sqlconn.Open();
                    Sqlcomm.ExecuteNonQuery();
                    Sqlconn.Close();
                    showpic();



                }



    }
    public void showpic()
    {


        string SqlConnect = System.Configuration.ConfigurationManager.ConnectionStrings["Connect"].ConnectionString;
        SqlConnection Sqlconn = new SqlConnection(SqlConnect);
        SqlCommand sqlcomm = new SqlCommand("select * from signup where email='" + Session["email"].ToString() + "'", Sqlconn);
        Sqlconn.Open();
        SqlDataReader dr = sqlcomm.ExecuteReader();
        if (dr.Read())
        {

            Image1.ImageUrl = "Profilepic\\" + dr["dpurl"].ToString();


            dr.Close();
            Sqlconn.Close();

        }
    
    
    
    
    
    }