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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...101 102 103 104 105 106 107 108 109 110 ... Item 109001 to 110000 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="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>
<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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