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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...151 152 153 154 155 156 157 158 159 160 ... Item 151001 to 152000 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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