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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...211 212 213 214 215 216 217 218 219 220 ... Item 211001 to 212000 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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