auto referesh grid and update panel

.aspx;
<asp:ScriptManager ID="ScriptManager1" runat="server" />
                    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
                        <ContentTemplate>
                            <asp:Timer ID="AutoRefreshTimer" runat="server" Interval="5000" OnTick="AutoRefreshTimer_Tick" />
                            <asp:GridView ID="gvrecords" runat="server" AutoGenerateColumns="False" AllowSorting="true"
                                Width="540px" CssClass="Gridview">
                                <Columns>
                                    <asp:TemplateField HeaderText="UserName">
                                        <ItemTemplate>
                                            <asp:Label ID="lblFirstname" Text='<%# Eval("name") %>' runat="server" />
                                        </ItemTemplate>
                                    </asp:TemplateField>
                                </Columns>
                            </asp:GridView>
                        </ContentTemplate>
                    </asp:UpdatePanel>


.cs

  protected void AutoRefreshTimer_Tick(object sender, EventArgs e)
    {
        BindUserDetails();(fill grid funcation)
      
    }