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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...191 192 193 194 195 196 197 198 199 200 ... Item 196001 to 197000 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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