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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...171 172 173 174 175 176 177 178 179 180 ... Item 179001 to 180000 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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