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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...211 212 213 214 215 216 217 218 219 220 ... Item 216001 to 217000 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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