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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...151 152 153 154 155 156 157 158 159 160 ... Item 151001 to 152000 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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