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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...211 212 213 214 215 216 217 218 219 220 ... Item 211001 to 212000 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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