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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...151 152 153 154 155 156 157 158 159 160 ... Item 153001 to 154000 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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