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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...181 182 183 184 185 186 187 188 189 190 ... Item 183001 to 184000 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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