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Virtualization

ID	Contact Title	Contact Name	Country	Rating


1	Sales Manager	Elizabeth Lincoln	USA	1 2 3 4 5
2	Marketing Manager	Patricio Simpson	Germany	1 2 3 4 5
3	Owner	Hanna Moos	Bulgaria	1 2 3 4 5
4	Sales Consultant	Matti Karttunen	Spain	1 2 3 4 5
5	Owner	Antonio Moreno	England	1 2 3 4 5
6	Marketing Manager	Howard Snyder	Brazil	1 2 3 4 5
7	Sales Associate	Hanna Moos	Austria	1 2 3 4 5
8	Sales Manager	Matti Karttunen	Spain	1 2 3 4 5
9	Sales Manager	Jaime Yorres	Germany	1 2 3 4 5
10	Sales Associate	Antonio Moreno	Austria	1 2 3 4 5
11	Sales Agent	Antonio Moreno	Spain	1 2 3 4 5
12	Sales Manager	Pascale Cartrain	Italy	1 2 3 4 5
13	Accounting Manager	Hanna Moos	Spain	1 2 3 4 5
14	Marketing Assistant	Hanna Moos	Austria	1 2 3 4 5
15	Accounting Manager	Howard Snyder	USA	1 2 3 4 5
16	Accountant	Antonio Moreno	Italy	1 2 3 4 5
17	Accountant	Antonio Moreno	Austria	1 2 3 4 5
18	Accounting Manager	Paul Henriot	Brazil	1 2 3 4 5
19	Owner	Hanna Moos	Germany	1 2 3 4 5
20	Owner	Patricio Simpson	Bulgaria	1 2 3 4 5
21	Owner	Pascale Cartrain	Germany	1 2 3 4 5
22	Sales Associate	Hanna Moos	Brazil	1 2 3 4 5
23	Sales Associate	Pascale Cartrain	Austria	1 2 3 4 5
24	Sales Manager	Patricio Simpson	Germany	1 2 3 4 5
25	Accountant	Georg Pipps	England	1 2 3 4 5
26	Sales Agent	Pascale Cartrain	Brazil	1 2 3 4 5
27	Accountant	Howard Snyder	Brazil	1 2 3 4 5
28	Accountant	Paul Henriot	USA	1 2 3 4 5
29	Sales Representative	Georg Pipps	Germany	1 2 3 4 5
30	Accounting Manager	Elizabeth Lincoln	France	1 2 3 4 5
31	Sales Representative	Patricio Simpson	USA	1 2 3 4 5
32	Sales Representative	Antonio Moreno	USA	1 2 3 4 5
33	Sales Manager	Antonio Moreno	England	1 2 3 4 5
34	Sales Consultant	Pascale Cartrain	Bulgaria	1 2 3 4 5
35	Sales Agent	Jaime Yorres	Bulgaria	1 2 3 4 5
36	Marketing Assistant	Paul Henriot	Spain	1 2 3 4 5
37	Sales Representative	Jaime Yorres	Italy	1 2 3 4 5
38	Marketing Assistant	Georg Pipps	Italy	1 2 3 4 5
39	Sales Representative	Matti Karttunen	Germany	1 2 3 4 5
40	Sales Manager	Hanna Moos	Austria	1 2 3 4 5
41	Owner	Matti Karttunen	Germany	1 2 3 4 5
42	Sales Associate	Howard Snyder	France	1 2 3 4 5
43	Accounting Manager	Pascale Cartrain	England	1 2 3 4 5
44	Marketing Assistant	Jaime Yorres	England	1 2 3 4 5
45	Accounting Manager	Howard Snyder	Brazil	1 2 3 4 5
46	Sales Agent	Paul Henriot	Austria	1 2 3 4 5
47	Sales Associate	Jaime Yorres	Austria	1 2 3 4 5
48	Sales Agent	Georg Pipps	Germany	1 2 3 4 5
49	Owner	Howard Snyder	England	1 2 3 4 5
50	Sales Representative	Matti Karttunen	Germany	1 2 3 4 5
51	Sales Representative	Georg Pipps	Germany	1 2 3 4 5
52	Accountant	Antonio Moreno	USA	1 2 3 4 5
53	Accounting Manager	Paul Henriot	Italy	1 2 3 4 5
54	Owner	Pascale Cartrain	Germany	1 2 3 4 5
55	Sales Manager	Pascale Cartrain	France	1 2 3 4 5
56	Sales Representative	Georg Pipps	Italy	1 2 3 4 5
57	Marketing Assistant	Antonio Moreno	Spain	1 2 3 4 5
58	Sales Associate	Patricio Simpson	Bulgaria	1 2 3 4 5
59	Marketing Assistant	Hanna Moos	Italy	1 2 3 4 5
60	Marketing Manager	Paul Henriot	France	1 2 3 4 5
61	Accountant	Hanna Moos	England	1 2 3 4 5
62	Sales Manager	Howard Snyder	Brazil	1 2 3 4 5
63	Accounting Manager	Pascale Cartrain	France	1 2 3 4 5
64	Sales Associate	Jaime Yorres	Germany	1 2 3 4 5
65	Sales Representative	Patricio Simpson	Germany	1 2 3 4 5
66	Marketing Assistant	Patricio Simpson	USA	1 2 3 4 5
67	Accountant	Paul Henriot	England	1 2 3 4 5
68	Sales Representative	Matti Karttunen	USA	1 2 3 4 5
69	Sales Representative	Elizabeth Lincoln	Italy	1 2 3 4 5
70	Sales Manager	Matti Karttunen	Bulgaria	1 2 3 4 5
71	Marketing Manager	Pascale Cartrain	England	1 2 3 4 5
72	Sales Representative	Antonio Moreno	England	1 2 3 4 5
73	Accountant	Elizabeth Lincoln	England	1 2 3 4 5
74	Accountant	Georg Pipps	England	1 2 3 4 5
75	Owner	Elizabeth Lincoln	Brazil	1 2 3 4 5
76	Owner	Elizabeth Lincoln	France	1 2 3 4 5
77	Marketing Assistant	Howard Snyder	USA	1 2 3 4 5
78	Sales Associate	Elizabeth Lincoln	Spain	1 2 3 4 5
79	Marketing Manager	Antonio Moreno	Spain	1 2 3 4 5
80	Accounting Manager	Patricio Simpson	England	1 2 3 4 5
81	Accounting Manager	Matti Karttunen	Argentina	1 2 3 4 5
82	Marketing Assistant	Pascale Cartrain	France	1 2 3 4 5
83	Sales Associate	Pascale Cartrain	England	1 2 3 4 5
84	Accounting Manager	Jaime Yorres	Italy	1 2 3 4 5
85	Marketing Manager	Pascale Cartrain	England	1 2 3 4 5
86	Marketing Manager	Georg Pipps	France	1 2 3 4 5
87	Accounting Manager	Howard Snyder	Austria	1 2 3 4 5
88	Marketing Manager	Patricio Simpson	USA	1 2 3 4 5
89	Owner	Paul Henriot	France	1 2 3 4 5
90	Sales Manager	Georg Pipps	Germany	1 2 3 4 5
91	Sales Associate	Hanna Moos	England	1 2 3 4 5
92	Sales Consultant	Howard Snyder	Spain	1 2 3 4 5
93	Sales Representative	Antonio Moreno	Spain	1 2 3 4 5
94	Marketing Manager	Hanna Moos	England	1 2 3 4 5
95	Marketing Assistant	Matti Karttunen	Bulgaria	1 2 3 4 5
96	Sales Representative	Matti Karttunen	Brazil	1 2 3 4 5
97	Sales Manager	Pascale Cartrain	Brazil	1 2 3 4 5
98	Marketing Manager	Matti Karttunen	USA	1 2 3 4 5
99	Accountant	Hanna Moos	France	1 2 3 4 5
100	Owner	Hanna Moos	France	1 2 3 4 5


...161 162 163 164 165 166 167 168 169 170 ... Item 162001 to 163000 of 300000 Page: of 300 GoPage size:

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Columns
- ID
- Contact Title
- Contact Name
- Country
- Rating

About this demo
C#
VB
Download demo code files
Isolate this demo as a stand-alone application

RadGrid's virtualization feature allows you to handle hundreds of thousands of rows without negatively impacting the user experience. The control achieves this thanks to its ItemsPerView property allowing you to control the number of items loaded at a time. Users can now scroll, as well as show, hide, resize and reorder columns without any waiting time.

This demo shows how quickly Telerik's ASP.NET DataGrid can handle user interactions with 300,000 items. You can configure the component to allow scrolling through the entire data set or only through the current page by using EnableCurrentPageScrollOnly property,.

<%@ Page Language="vb" AutoEventWireup="false" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.GridExamplesVBNET.Performance.Virtualization.DefaultVB" %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
<%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head runat="server">
    <title>Telerik ASP.NET Example</title>
    <link href="styles.css" rel="stylesheet" />
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
    <telerik:RadAjaxLoadingPanel runat="server" ID="RadAjaxLoadingPanel1"></telerik:RadAjaxLoadingPanel>
    <telerik:RadAjaxPanel runat="server" ID="RadAjaxPanel" LoadingPanelID="RadAjaxLoadingPanel1" CssClass="demo-container">
        <telerik:RadGrid RenderMode="Lightweight" ID="RadGrid1" runat="server"  AutoGenerateColumns="false"
            AllowSorting="true" GroupingEnabled="false"
            EnableHeaderContextMenu="true" AllowPaging="true" PageSize="1000" OnNeedDataSource="RadGrid1_NeedDataSource">
            <MasterTableView TableLayout="Fixed">
                <Columns>
                    <telerik:GridBoundColumn UniqueName="ID" HeaderText="ID" HeaderStyle-Width="50px" DataField="ID"></telerik:GridBoundColumn>
                    <telerik:GridBoundColumn UniqueName="ContactTitle" HeaderText="Contact Title" HeaderStyle-Width="150px" DataField="ContactTitle"></telerik:GridBoundColumn>
                    <telerik:GridBoundColumn UniqueName="ContactName" HeaderText="Contact Name" HeaderStyle-Width="150" DataField="ContactName"></telerik:GridBoundColumn>
                    <telerik:GridBoundColumn UniqueName="Country" HeaderText="Country" HeaderStyle-Width="100px" DataField="Country"></telerik:GridBoundColumn>
                    <telerik:GridRatingColumn UniqueName="Rating" HeaderText="Rating" HeaderStyle-Width="100px" DataField="Rating"></telerik:GridRatingColumn>
                </Columns>
            </MasterTableView>
            <ClientSettings ReorderColumnsOnClient="true" AllowColumnsReorder="true" ColumnsReorderMethod="Reorder">
                <Virtualization EnableVirtualization="true" InitiallyCachedItemsCount="2000"
                    LoadingPanelID="RadAjaxLoadingPanel1" ItemsPerView="100"/>
                <Scrolling AllowScroll="true" UseStaticHeaders="true" ScrollHeight="500px" />
                <Resizing AllowColumnResize="true" />
            </ClientSettings>
            <PagerStyle Mode="NextPrevNumericAndAdvanced"></PagerStyle>
        </telerik:RadGrid>
    </telerik:RadAjaxPanel>
    </form>
</body>
</html>

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