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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...31 32 33 34 35 36 37 38 39 40 ... Item 36001 to 37000 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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