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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...161 162 163 164 165 166 167 168 169 170 ... Item 163001 to 164000 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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