New to Telerik UI for ASP.NET AJAX? Download free 30-day trial

Virtualization

ID	Contact Title	Contact Name	Country	Rating


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


...191 192 193 194 195 196 197 198 199 200 ... Item 193001 to 194000 of 300000 Page: of 300 GoPage size:

Sort Ascending
Sort Descending
Clear Sorting
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>

Support & Learning Resources

Find Assistance

Submit a support ticket if you have an active license or trial
Post in the forum if you don't have access to support

Virtualization

Related Resources

Support & Learning Resources

Find Assistance