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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...161 162 163 164 165 166 167 168 169 170 ... Item 169001 to 170000 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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