DataList Pagination Pager not working

Hi

I have 2 datalist and 2repeater(for datalists pagination)

I used pagination code for datalists

1-datalist1  (that this datalist repeater's Id=rptPager)

2-DDLstore (that this datalist repeater's Id=rptPager2)

<asp:DataList ID="DataList1" runat="server" RepeatColumns="2" RepeatDirection="Horizontal" Visible="false">
                            <ItemTemplate>

<div id="DDLI1_31">
                                    <asp:HyperLink ID="HyperLink3" runat="server" CssClass="LBP3In" NavigateUrl = '<%#"product.aspx?BehCode="+Eval("Behcode")+"&Id="+Eval("Id")  %>' Target="_blank">Continue...</asp:HyperLink>
                                    </div>
   </ItemTemplate>
                        </asp:DataList>

                      

                              <asp:Repeater ID="rptPager" runat="server">
                            <ItemTemplate>
                                <asp:LinkButton ID="lnkPage" runat="server" Text='<%#Eval("Text") %>' CommandArgument='<%# Eval("Value") %>'
                                    Enabled='<%# Eval("Enabled") %>' OnClick="Page_Changed"  CssClass='<%# Convert.ToBoolean(Eval("Enabled")) == true ? "pager" : "active_pager" %>'></asp:LinkButton>
                            </ItemTemplate>
                        </asp:Repeater>

   <asp:DataList ID="DDLstore" runat="server" RepeatColumns="3" RepeatDirection="Horizontal"
                            Visible="False">
                            <ItemTemplate>

 <tr>
                                        <td style="height: 30px">
                                            <asp:Label ID="Label8" runat="server" Text='<%# Eval("address") %>' CssClass="lblad2"></asp:Label>
                                        </td>
                                    </tr>


  </ItemTemplate>
                        </asp:DataList>
                      <br />

                           <asp:Repeater ID="rptPager2" runat="server">
                            <ItemTemplate>
                                <asp:LinkButton ID="lnkPage" runat="server" Text='<%#Eval("Text") %>' CommandArgument='<%# Eval("Value") %>'
                                    Enabled='<%# Eval("Enabled") %>' OnClick="Page_ChangedStore"  CssClass='<%# Convert.ToBoolean(Eval("Enabled")) == true ? "pager" : "active_pager" %>'></asp:LinkButton>
                            </ItemTemplate>
                        </asp:Repeater>

and there is other repeater that bind from database I used this repeater for menubar

                     <ul>
                                         <asp:UpdatePanel ID="UpdatePanel2" runat="server">
                                        <ContentTemplate>
                                        <asp:Repeater ID="rptMenuE" runat="server" >
                                            <ItemTemplate>
                                                <li>
                                                <a href='<%#"House.aspx?subset="+Eval("subset")+"&ID="+Eval("ID")+"&ListType="+(DataList1.Visible == true ? "Product" : "Store")%>'>
                                             
                                                    <%#Eval("subset")%></a> </li>
                                            </ItemTemplate>

                                      
                                        </asp:Repeater>
</ContentTemplate>
                                    </asp:UpdatePanel>
                                    </ul>

and I have 2 imagebutton that when I click each of them it make datalist's visibility=TRUE

  protected void Imglastpro_Click(object sender, ImageClickEventArgs e)
    {
        DataList1.Visible = true;
        rptPager.Visible = true;
        
       DDLstore.Visible = false;
        rptPager2.Visible = false;
 
        this.GetCustomersPageWise(1);
        this.BindRepeater(rptMenuE, "electricmenu1");


    }


    protected void Imgstore_Click1(object sender, ImageClickEventArgs e)
    {
        DDLstore.Visible = true;
        DataList1.Visible = false;
        rptPager2.Visible = true;
        rptPager.Visible = false;
 
        this.BindRepeater(rptMenuE, "electricmenu1");
        this.GetCustomersPageWiseStore(1);

    }

and below is my pageload event

        if (!IsPostBack)
        {
           
        
            if (Request.QueryString["ID"] != null)
            {
                if (Request.QueryString["ListType"] == "Store")
                {
                    this.GetCustomersPageWiseStore(1);
                    
                    DataList1.Visible=false;
            
                }
                else
                {
                    this.GetCustomersPageWise(1);
                    DDLstore.Visible=false;
                }
            }
            else
            {
                this.GetCustomersPageWise(1);
                DDLstore.Visible = false;
            }
           this.BindRepeater(rptMenuE,"electricmenu1");


          




        }

Now Problem:

here when I click on menubar (that I used repeater for showing Item from database)

It bind datalist1 with pagination I mean it bind datalist1 and show pages.

but when I click on Imgstore Button (this button does  DDLstore.Visible = true;         DataList1.Visible = false; )

It bind ddlstore and show data but it doesn't show pagination for this datalist I mean it doesn't show rptpager2

why this happen

Thanks alot