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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...161 162 163 164 165 166 167 168 169 170 ... Item 165001 to 166000 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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