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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...221 222 223 224 225 226 227 228 229 230 ... Item 226001 to 227000 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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