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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...151 152 153 154 155 156 157 158 159 160 ... Item 151001 to 152000 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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