Grid - Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


1 2 3 4 5 6 7 8 9 10 ... Item 1 to 1000 of 300000 Page: of 300 Page size:

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

Isolate this demo as a stand-alone application

About this demo
C#
VB

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="c#" CodeFile="DefaultCS.aspx.cs" Inherits="Telerik.GridExamplesCSharp.Performance.Virtualization.DefaultCS" %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
<%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<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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