value dose not show when we click on padeing

protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
   {
       try
       {
           GridView1.PageIndex = e.NewPageIndex;
           GridView1.DataSource = ds;
           GridView1.DataBind();
       }
       catch (Exception ex)
       {
           Response.Write(ex.Message);
       }

   }

<asp:GridView ID="GridView1" runat="server"  
  AutoGenerateColumns="False"  Height="50px" 
            CellPadding="4" ForeColor="Black" GridLines="None" Width="588px"  
                    ShowHeader="False"  Font-Bold="False" Font-Size="Small" Font-Strikeout="False" 
            onselectedindexchanged="GridView1_SelectedIndexChanged" AllowPaging="True" 
                    onpageindexchanged="GridView1_PageIndexChanged" 
                    onpageindexchanging="GridView1_PageIndexChanging">
                    <rowstyle backcolor="#EFF3FB" />
            <columns>
         
                <asp:TemplateField>
                
                    <itemtemplate>
                    <table>
                     <tr>
                        <td rowspan="4">
                            <asp:Image ID="Image1" runat="server"  
                                Width="75px" ImageUrl="images/Image/image0.png" /> </td>
                        <td>
                            <asp:Label ID="Label1" runat="server" Text='<%# Bind("Name") %>'></td>
                        <td rowspan="4">Address:-
                            <asp:Label ID="Label2" runat="server" Text='<%# Bind("Address") %>'></td>
                    </tr>
                    <tr>
                        <td>Contact:-
                             <asp:Label ID="Label3" runat="server" Text='<%# Bind("Contact") %>'></td>
                    </tr>
                    <tr>
                        <td>Class:-
                             <asp:Label ID="Label4" runat="server" Text='<%# Bind("ClassName") %>'></td>
                    </tr>
                    <tr>
                        <td>City:-
                             <asp:Label ID="Label5" runat="server" Text='<%# Bind("City") %>'></td>
                    </tr>
                       
                       </table>
                    </itemtemplate>
                
               
            </columns>
            <footerstyle backcolor="#507CD1" font-bold="True" forecolor="White" />
            <pagerstyle backcolor="#2461BF" forecolor="White">
                HorizontalAlign="Center" />
            <SelectedRowStyle BackColor="#D1DDF1" ForeColor="#333333" Font-Bold="True" />
            <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
                    <editrowstyle backcolor="#2461BF" />
            <alternatingrowstyle backcolor="White" />