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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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