Adding Bundling and Minification to Web Forms
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My B/M tutorial provides a good introduction to benefits of Bundling and Minification. You should read it to become familiar with the bundling and minification. This blog will focus on using B/M with Web Forms, my B/M tutorial focused on ASP.NET MVC.
Create a new ASP.NET Web Forms application which targets the .Net 4.5 framework.
Run the application launch the IE F-12 developer tools. Select the Script tab, then use the assets button to view the JavaScript files.
You can select one of the JavaScript files and view it in the left pane. Note the full (non-minimized version) of the files are used.
Creating the jQuery Bundles
Add jQuery, jQuery.UI and jQuery validation to the BundleConfig class in the App_Start folder. The following code shows the complete class:
using System.Web.Optimization; public class BundleConfig { public static void RegisterBundles(BundleCollection bundles) { bundles.Add(new ScriptBundle("~/bundles/jquery").Include( "~/Scripts/jquery-{version}.js")); bundles.Add(new ScriptBundle("~/bundles/jqueryui").Include( "~/Scripts/jquery-ui-{version}.js")); bundles.Add(new ScriptBundle("~/bundles/jqueryval").Include( "~/Scripts/jquery.unobtrusive*", "~/Scripts/jquery.validate*")); bundles.Add(new ScriptBundle("~/bundles/WebFormsJs").Include( "~/Scripts/WebForms/WebForms.js", "~/Scripts/WebForms/WebUIValidation.js", "~/Scripts/WebForms/MenuStandards.js", "~/Scripts/WebForms/Focus.js", "~/Scripts/WebForms/GridView.js", "~/Scripts/WebForms/DetailsView.js", "~/Scripts/WebForms/TreeView.js", "~/Scripts/WebForms/WebParts.js")); bundles.Add(new ScriptBundle("~/bundles/MsAjaxJs").Include( "~/Scripts/WebForms/MsAjax/MicrosoftAjax.js", "~/Scripts/WebForms/MsAjax/MicrosoftAjaxApplicationServices.js", "~/Scripts/WebForms/MsAjax/MicrosoftAjaxTimer.js", "~/Scripts/WebForms/MsAjax/MicrosoftAjaxWebForms.js")); bundles.Add(new ScriptBundle("~/bundles/modernizr").Include( "~/Scripts/modernizr-*")); } }
Register the Bundles
The templates create the code hook up the bundle registration in the Application_Start method in the Global.asax file.
void Application_Start(object sender, EventArgs e) { BundleConfig.RegisterBundles(BundleTable.Bundles); AuthConfig.RegisterOpenAuth(); }
Reference the Bundles
Add the jQuery bundles to the <asp:PlaceHolder > markup as shown in the following code:
<asp:PlaceHolder runat="server"> <%: Scripts.Render("~/bundles/modernizr") %> <%: Scripts.Render("~/bundles/jquery") %> <%: Scripts.Render("~/bundles/jqueryui") %> </asp:PlaceHolder>
Comment out the jQuery script references in the ScriptManager tag as shown below:
<body> <form runat="server"> <asp:ScriptManager runat="server"> <Scripts> <%-- <asp:ScriptReference Name="jquery" /> <asp:ScriptReference Name="jquery.ui.combined" /> --%> </Scripts> </asp:ScriptManager> <header>
CSS Bundles
Examine the Bundle.config file, which contains the markup to create CSS style bundles.
<?xml version="1.0" encoding="utf-8" ?> <bundles version="1.0"> <styleBundle path="~/Content/css"> <include path="~/Content/Site.css" /> </styleBundle> <styleBundle path="~/Content/themes/base/css"> <include path="~/Content/themes/base/jquery.ui.core.css" /> <include path="~/Content/themes/base/jquery.ui.resizable.css" /> <include path="~/Content/themes/base/jquery.ui.selectable.css" /> <include path="~/Content/themes/base/jquery.ui.accordion.css" /> <include path="~/Content/themes/base/jquery.ui.autocomplete.css" /> <include path="~/Content/themes/base/jquery.ui.button.css" /> <include path="~/Content/themes/base/jquery.ui.dialog.css" /> <include path="~/Content/themes/base/jquery.ui.slider.css" /> <include path="~/Content/themes/base/jquery.ui.tabs.css" /> <include path="~/Content/themes/base/jquery.ui.datepicker.css" /> <include path="~/Content/themes/base/jquery.ui.progressbar.css" /> <include path="~/Content/themes/base/jquery.ui.theme.css" /> </styleBundle> </bundles>
You can add your own style bundles to the Bundle.config file.
The following markup shows the CSS bundles and JavaScript bundles referenced. Note that you can multiple bundles in one call to the Render method.
<%: Styles.Render("~/Content/themes/base/css", "~/Content/css") %> <%: Scripts.Render("~/bundles/modernizr") %> <%: Scripts.Render("~/bundles/jquery", "~/bundles/jqueryui") %>
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