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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...151 152 153 154 155 156 157 158 159 160 ... Item 157001 to 158000 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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