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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...261 262 263 264 265 266 267 268 269 270 ... Item 260001 to 261000 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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