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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...191 192 193 194 195 196 197 198 199 200 ... Item 190001 to 191000 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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