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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...171 172 173 174 175 176 177 178 179 180 ... Item 175001 to 176000 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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