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Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...161 162 163 164 165 166 167 168 169 170 ... Item 164001 to 165000 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="vb" AutoEventWireup="false" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.GridExamplesVBNET.Performance.Virtualization.DefaultVB" %>

<%@ 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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