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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...211 212 213 214 215 216 217 218 219 220 ... Item 213001 to 214000 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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