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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...161 162 163 164 165 166 167 168 169 170 ... Item 167001 to 168000 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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