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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...281 282 283 284 285 286 287 288 289 290 ... Item 281001 to 282000 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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