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Render Modes

CategoryName  
Product IDProduct NameCategory IDCategory NameUnit PriceDiscontinuedQuantity Per UnitUnits In Stock
12345678
Page size:
 77 items in 8 pages
CategoryName: Seafood (... group continued from the previous page. Showing 7 of 12 items.)
 37Gravad lax8Seafood26.0012 - 500 g pkgs.11
 40Boston Crab Meat8Seafood18.4024 - 4 oz tins123
 41Jack's New England Clam Chowder8Seafood9.6512 - 12 oz cans85
 45Rogede sild8Seafood9.501k pkg.5
 46Spegesild8Seafood12.004 - 450 g glasses95
 58Escargots de Bourgogne8Seafood13.2524 pieces62
 73Röd Kaviar8Seafood15.0024 - 150 g jars101
  • Render Mode
Render mode
Classic vs. Light rendering
Classic Lightweight
Markup Size
CSS Size 29.50 KB 23.70 KB
Image Sprite Size 8.64 KB 0 KB*

This demo showcases the two different rendering modes of Telerik ASP.NET Grid control: Classic and Lightweight.

  • Classic rendering is the long-standing rendering mode of the control, with extensive use of table elements for the layout and images for backgrounds, icons, etc.
  • Lightweight rendering leverages HTM5 and CSS3, but the control may lose its rounded corners, gradients and shadows in non-modern browsers.

The default render mode of the control is Classic and you have the option to either explicitly set it to Lightweight or leverage the Auto mode to have the control choose the best rendering based on the user's browser.

Note: In order to provide optimal experience for your end users, we recommend that you use only one type of render mode for a control on a given page. For example, if you have two instances of RadGrid on the page, it will be best if both of them use the same render mode.

Note: The Material skin is available only for the modern Lightweight render mode. Change the skin or the mode to properly visualize the demonstrated control.

Notes on the statistics:
The markup size is calculated automatically for the currently selected RenderMode, so if you want to compare the markup size of both modes, you could change the selection in RenderMode radio button placed in the demo configurator.

* Lightweight rendering uses shared font icons across all controls (TelerikWebUI).

  • DefaultCS.aspx
  • DefaultCS.aspx.cs
  • styles.css
<%@ Page Title="" Language="C#"  AutoEventWireup="true" CodeFile="DefaultCS.aspx.cs" Inherits=" Grid.Examples.RenderModes.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 rel="stylesheet" type="text/css" href="styles.css" />
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
    <div class="demo-container" runat="server">
        <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
            <script type="text/javascript">
                function pageLoad() {
                    var grid = $find("<%=RadGrid1.ClientID%>");
                    var renderMode = grid.get_renderMode();
                    var gridMarkupSize = Math.round((grid.get_element().innerHTML.length / 1024) * 100) / 100 + " KB";
                    document.getElementById("<%=ClassicSize.ClientID%>").innerHTML = renderMode == 1 ? gridMarkupSize : "-";
                    document.getElementById("<%=LightweightSize.ClientID%>").innerHTML = renderMode == 1 ? "-" : gridMarkupSize;
                }
            </script>
        </telerik:RadCodeBlock>

        <asp:Panel EnableViewState="true" runat="server" ID="Panel1">
        </asp:Panel>

         <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"        
            SelectCommand="SELECT [ProductID], [ProductName], [Products].[CategoryID], [Categories].[CategoryName] as CategoryName, [UnitPrice], [Discontinued], [QuantityPerUnit], [UnitsInStock] FROM [Products] JOIN Categories ON Products.CategoryID=Categories.CategoryID">
        </asp:SqlDataSource>
    </div>

    <qsf:ConfiguratorPanel runat="server" ID="ConfiguratorPanel1" Title="Render Mode">
        <Views>
            <qsf:View>

                <qsf:ConfiguratorColumn ID="ConfiguratorColumn1" runat="server" Title="Render mode" Size="Narrow">
                    <qsf:RadioButtonList ID="RadioButtonList1" runat="server" AutoPostBack="True" CssClass="fb-group">
                        <asp:ListItem Value="Lightweight" Selected="True">Lightweight</asp:ListItem>
                        <asp:ListItem Value="Classic">Classic</asp:ListItem>
                    </qsf:RadioButtonList>
                </qsf:ConfiguratorColumn>

                <qsf:ConfiguratorColumn ID="ConfiguratorColumn2" runat="server" Size="Wide" Title="Classic vs. Light rendering">
                    <table class="table" cellspacing="0">
                        <thead>
                            <tr>
                                <th></th>
                                <th>Classic</th>
                                <th>Lightweight</th>
                            </tr>
                        </thead>
                        <tbody>
                            <tr>
                                <th>Markup Size</th>
                                <td>
                                    <asp:Label ID="ClassicSize" runat="server"></asp:Label></td>
                                <td>
                                    <asp:Label ID="LightweightSize" runat="server"></asp:Label></td>
                            </tr>
                            <tr>
                                <th>CSS Size</th>
                                <td>29.50 KB</td>
                                <td>23.70 KB</td>
                            </tr>
                            <tr>
                                <th>Image Sprite Size</th>
                                <td>8.64 KB</td>
                                <td>0 KB*</td>
                            </tr>
                        </tbody>
                    </table>
                </qsf:ConfiguratorColumn>
            </qsf:View>
        </Views>
    </qsf:ConfiguratorPanel>
    </form>
</body>
</html>

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