protected void Page_Load(object sender, EventArgs e)
        {
            if (!Page.IsPostBack) BindListView();
        }

        private void BindListView()
        {
            ListView1.DataSource = GetProducts().ToList();
            ListView1.DataBind();
        }

        private IEnumerable<Product> GetProducts()
        {
            IEnumerable<Product> products = Enumerable.Range(1, 3000).Select(x => new Product { Name = $"A{x}", Price = x * 2 });
            return products;
        }

        protected void ListView1_PagePropertiesChanging(object sender, PagePropertiesChangingEventArgs e)
        {
            DataPager1.SetPageProperties(e.StartRowIndex, e.MaximumRows, false);
            BindListView();
        }

        class Product
        {
            public string Name { get; set; }
            public decimal Price { get; set; }
        }

<asp:ListView ID="ListView1" runat="server" ItemPlaceholderID="itemPlaceHolder1" GroupPlaceholderID="groupPlaceHolder1"
                OnPagePropertiesChanging="ListView1_PagePropertiesChanging">
                <LayoutTemplate>
                    <div class="container-fluid">
                        <div class="row">
                            <div class="col-6">Name</div>
                            <div class="col-6">Price</div>
                        </div>
                        <asp:PlaceHolder runat="server" ID="groupPlaceHolder1"></asp:PlaceHolder>
                    </div>
                </LayoutTemplate>
                <GroupTemplate>
                  <tr>
                    <asp:PlaceHolder runat="server" ID="itemPlaceHolder1"></asp:PlaceHolder>
                  </tr>
                </GroupTemplate>
                <ItemTemplate>
                    <div class="row">
                        <div class="col-6"><%# Eval("Name") %></div>
                        <div class="col-6"><%# Eval("Price") %></div>
                    </div>
                </ItemTemplate>
            </asp:ListView>
            <asp:DataPager ID="DataPager1" runat="server" PageSize="10" PagedControlID="ListView1">
                <Fields>
                    <asp:NextPreviousPagerField ButtonType="Button" ShowFirstPageButton="True" ShowLastPageButton="True" />
                </Fields>
            </asp:DataPager>

Forse ho fatto casino col layout... però pagina velocement
fammi sapere+
ciao