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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...211 212 213 214 215 216 217 218 219 220 ... Item 215001 to 216000 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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