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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...261 262 263 264 265 266 267 268 269 270 ... Item 265001 to 266000 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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