How do I bind data from SqlDb to a ListView & Binding Pagesize

.aspx file  
 
  <div class="StatusMessage">
        <asp:Label ID="PageMessage" runat="server"></asp:Label>
    </div>
    
     <asp:DataPager ID="ProductListPagerSimple" runat="server" PagedControlID="ProductList" PageSize="5">
        <Fields>
            <asp:NextPreviousPagerField ButtonType="Button" ShowFirstPageButton="True" ShowNextPageButton="False"
                ShowPreviousPageButton="False" />
            <asp:NumericPagerField />
            
            <asp:NextPreviousPagerField ButtonType="Button" ShowLastPageButton="True" ShowNextPageButton="False"
                ShowPreviousPageButton="False" />
                  
        </Fields>
    </asp:DataPager>
    
    
   <asp:DataPager ID="ProductListPager" runat="server" PagedControlID="ProductList" PageSize="5">
        <Fields>
            <asp:TemplatePagerField>
                <PagerTemplate>
                    Jump to a specific page:
                    <asp:DropDownList runat="server" ID="PageJump" AutoPostBack="true" 
                        onselectedindexchanged="PageJump_SelectedIndexChanged">
                    </asp:DropDownList>
                </PagerTemplate>
            </asp:TemplatePagerField>
        </Fields>
    </asp:DataPager>
    
   
    
     <asp:DataPager ID="ProductListPagerCombo" runat="server" PagedControlID="ProductList" PageSize="5">
        
        <Fields>
            <asp:NextPreviousPagerField FirstPageText="&lt;&lt;" ShowFirstPageButton="True" 
                ShowNextPageButton="False" ShowPreviousPageButton="False" />
            <asp:NumericPagerField />
            
            <asp:NextPreviousPagerField LastPageText="&gt;&gt;" ShowLastPageButton="True" 
                ShowNextPageButton="False" ShowPreviousPageButton="False" />
        </Fields>
        
    </asp:DataPager>
         <br />
         
         
         Change Pagesize
         <asp:DropDownList ID="ddlChangePagesize" runat="server">
            
             <asp:ListItem Selected="True">5</asp:ListItem>
             <asp:ListItem>7</asp:ListItem>
             <asp:ListItem>10</asp:ListItem>
             <asp:ListItem>12</asp:ListItem>
             <asp:ListItem>15</asp:ListItem>
             <asp:ListItem>22</asp:ListItem>
         </asp:DropDownList>
          &nbsp;
         <asp:Button ID="Button1" runat="server" OnClick="RePage" Text="Change Pagesize" />&nbsp;<br />
         <br />
        
 
    
    
    
    
    
    
    
    <asp:ListView ID="ProductList" runat="server"  DataSourceID="SqlDataSource1">
        <LayoutTemplate>
            <h3>Product Listing</h3>
            <blockquote>
                <asp:PlaceHolder runat="server" ID="itemPlaceholder"></asp:PlaceHolder>                        
            </blockquote>
        </LayoutTemplate>
        
        <ItemSeparatorTemplate>
            <hr />
        </ItemSeparatorTemplate>
 
        <ItemTemplate>
        
            <h4><%#Eval("Naslov") %></h4>
            Available at <%#Eval("PostText")%> <br />
            dodano :  <%#Eval("Created")%>
            
        </ItemTemplate>
    </asp:ListView>
    
    
    
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:DataAccessQuickStart %>"  
            SelectCommand="SELECT [IdPost], [UserID], [IdLang], [Created], [Naslov], [PostText], [Brojac], [ActivePost] FROM [ac_Posts] WHERE (([IdLang] = @IdLang) AND ([UserID] = @UserID)) ORDER BY [IdPost] DESC">
            <SelectParameters>
                <asp:Parameter DefaultValue="1" Name="IdLang" Type="Int32" />
                <asp:Parameter DefaultValue="1" Name="UserID" Type="Int32" />
                
            </SelectParameters>
            
        </asp:SqlDataSource>
    
           
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.aspx.vb file
 
 Protected Sub ProductList_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles ProductList.DataBound
 
        Dim currentPage As Integer = (ProductListPager.StartRowIndex / ProductListPager.PageSize) + 1
        Dim totalPages As Integer = ProductListPager.TotalRowCount / ProductListPager.PageSize
        PageMessage.Text = String.Format("You are viewing page {0} of {1}", currentPage, totalPages)
 
        'Populate the DropDownList if needed
        Dim ddl As DropDownList = CType(ProductListPager.Controls(0).FindControl("PageJump"), DropDownList)
        If ddl.Items.Count = 0 Then
            'Add a list item for each page
            For i As Integer = 1 To totalPages
                ddl.Items.Add(i.ToString())
            Next
 
            'Set the DDL to the appropriate page value
            ddl.Items.FindByValue(currentPage.ToString()).Selected = True
        End If
    End Sub
 
 
 
    Protected Sub PageJump_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)
 
        Dim PageJumpDDL As DropDownList = CType(sender, DropDownList)
        Dim pageNo As Integer = Convert.ToInt32(PageJumpDDL.SelectedValue)
 
        Dim startRowIndex As Integer = (pageNo - 1) * ProductListPager.PageSize
 
        ProductListPager.SetPageProperties(startRowIndex, ProductListPager.PageSize, True)
 
    End Sub