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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...171 172 173 174 175 176 177 178 179 180 ... Item 170001 to 171000 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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