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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...151 152 153 154 155 156 157 158 159 160 ... Item 156001 to 157000 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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