one click web publishing - Page 21

Wpf button click when application window is not active

- by byte

I have a WPF application window with a button (ButtonA) which has a command binding to a View Model property. When another application is launched the focus is lost and application window is deactivated. Clicking ButtonA now doesn’t execute the command but instead only activates the window and sets the focus to the button. 2nd click is required to fire the command. The desired functionality is on click of ButtonA while the application window is not active, the application window activates and command associated with ButtonA is executed. I have also tried removing the command and adding a click handler for test purpose but this displays same behaviour. I appreciate any help with this issue.

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how to view associated click function code

- by llamerr

For example, i associate following function with some element $('table#users tbody tr:first #save').click(function(){ $(this).closest('tr').remove(); }); Now, if i don't know where this function is stored, is there a way to view associated with click() code? In above example, i want a way to view that in firebug, or in another way $(this).closest('tr').remove(); If I'm writing in console following, i'm get a link to dom inspector >>> ($('table#users tbody tr:first #save').click) function() but link is for jquery library, not the code i want.

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focusout not triggering when clicking on another selector with a click

- by Sean

I have 2 divs that each have clicks bound to them. when you click on a div a form is displayed (in another div) that allows you to set properties specific to the div that is clicked. I'm using focusout to save the properties to a data object. everything is working perfectly except when i click on the other div. it seems that the click handler on the other div cancels out the focusout of the form field. Has anyone else experienced this? is so what is the proper way to overcome this?

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Click at link by address template

- by Ockonal

Hello, I'm using Selenium for making some work: script should click at link followed by it's own address. For example, there is a method: clickAndWait. I have to pass it link title. But at my page this title changes, so I have to pass address to click at. Could you help me with this? p.s. I asked this question in selenium group, but still have no answer. upd: For exampe, I have such html-code: <a href="lalala.com">Some changeable title</a> <a href="another.com">Some changeable title</a> And selenium pseudocode: ClickAndWait('Some changeable title') But I have to click at site 'another.com', not 'lalala.com'. And link's title changes every time. Only link address is the same.

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jQuery Hover/Click event on same DIV (Mobile Devices)

- by Aaron

I've written a simple script that displays circles over an image. When you hover over a circle it expands to a tooltip. $('div.tooltip').live({mouseenter:function(e){ ... animate tooltip open; },mouseleave:function(e){ ... animate tooltip closed; }}); When you click on the open tooltip it displays a lightbox with more information. $('div.tooltip').live('click',function(e){ ... open related lightbox }); Everything works as it should, except on mobile devices. When I tap the circle to open the tooltip it fires the click event and completely bypasses the mouseenter/mouseexit events. Any ideas would be greatly appreciated :) Thanks

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JSP Include: one large bean or bean for each include

- by shylynx

I want to refactor a webapp that consists of very distorted JSPs and servlets. Because we can't switch to a web framework easily we have to keep JSPs and Servlets, and now we are in doubt how to include pages into another and how to setup the use:bean-directives effectively. At the first step we want to decouple the code for the core-actions and the bean-creation into servlets. The servlets should forward to their corresponding pages, which should use the bean. The problem here is, that each jsp consists of different sub- and sub-sub-jsp that are included into another. Here is a shortend extract (because reality is more complex): head header top navigation actionspanel main header actionspanel foot footer Moreover each jsp (also the header and footer) use dynamic data. For example title and actionspanel can change on each page-reload or do have links and labels that depend on the processing by the preceding servlet. I know that jsp-include-directives should only be used for static content und should be avoided for dynamic content. But here we have very large pages, that consist of many parts. Now the core questions: Should I use one big bean for each page, so that each bean holds also data for header and footer beside its core data, so that each subsequent included jsp uses the same bean-directive? For example: DirectoryJSP <- DirectoryBean CompareJSP <- CompareBean Or should I use one bean for each jsp, so that each bean only holds the data for one jsp and its own purpose. For example: DirectoryJSP <- DirectoryBean HeaderJSP <- HeaderBean FooterJSP <- FooterBean CompareJSP <- CompareBean HeaderJSP <- HeaderBean FooterJSP <- FooterBean In the second case: should the subsequent beans be a member of the corresponding parent bean, so that only the parent bean is attached as attribute to the request? Or should each bean attached to the request?

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Generic applet style system for publishing mathematics demonstrations?

- by Alex

Anyone who's tried to study mathematics using online resources will have come across these Java applets that demonstrate a particular mathematical idea. Examples: http://www.math.ucla.edu/~tao/java/Mobius.html http://www.mathcs.org/java/programs/FFT/index.html I love the idea of this interactive approach because I believe it is very helpful in conveying mathematical principles. I'd like to create a system for visually designing and publishing these 'mathlets' such that they can be created by teachers with little programming experience. So in order to create this app, i'll need a GUI and a 'math engine'. I'll probably be working with .NET because thats what I know best and i'd like to start experimenting with F#. Silverlight appeals to me as a presentation framework for this project (im not worried about interoperability right now). So my questions are: does anything like this exist already in full form? are there any GUI frameworks for displaying mathematical objects such as graphs & equations? are there decent open source libraries that exposes a mathematical framework (Math.NET looks good, just wondering if there is anything else out there) is there any existing work on taking mathematical models/demos built with maple/matlab/octave/mathematica etc and publishing them to the web?

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When building a web Application project, TFS 2008 Builds two spearate projects in the _PublishedFold

- by Steve Johnson

Hi all, I am trying to a perform build automation on one of web application projects built using VS 2008. The _PublishedWebSites contains two folders: Web and Deploy. I just want the TFS 2008 to generate only the Deploy Folder and Not the Web Folder. Here is my TFSBuild.proj File <Project ToolsVersion="3.5" DefaultTargets="Compile" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <Import Project="$(MSBuildExtensionsPath)\Microsoft\VisualStudio\TeamBuild\Microsoft.TeamFoundation.Build.targets" /> <Import Project="$(MSBuildExtensionsPath)\Microsoft\WebDeployment\v9.0\Microsoft.WebDeployment.targets" /> <ItemGroup> <SolutionToBuild Include="$(BuildProjectFolderPath)/../../Development/Main/MySoftware.sln"> <Targets></Targets> <Properties></Properties> </SolutionToBuild> </ItemGroup> <ItemGroup> <ConfigurationToBuild Include="Release|AnyCPU"> <FlavorToBuild>Release</FlavorToBuild> <PlatformToBuild>Any CPU</PlatformToBuild> </ConfigurationToBuild> </ItemGroup>  <ItemGroup> <AdditionalReferencePath Include="C:\3PR" /> </ItemGroup> <Target Name="GetCopyToOutputDirectoryItems" Outputs="@(AllItemsFullPathWithTargetPath)" DependsOnTargets="AssignTargetPaths;_SplitProjectReferencesByFileExistence">  <MSBuild Projects="@(_MSBuildProjectReferenceExistent)" Targets="GetCopyToOutputDirectoryItems" Properties="%(_MSBuildProjectReferenceExistent.SetConfiguration); %(_MSBuildProjectReferenceExistent.SetPlatform)" Condition="'@(_MSBuildProjectReferenceExistent)'!=''"> <Output TaskParameter="TargetOutputs" ItemName="_AllChildProjectItemsWithTargetPathNotFiltered"/> </MSBuild>  <RemoveDuplicates Inputs="@(_AllChildProjectItemsWithTargetPathNotFiltered)"> <Output TaskParameter="Filtered" ItemName="_AllChildProjectItemsWithTargetPath"/> </RemoveDuplicates>  <CreateItem Include="@(_AllChildProjectItemsWithTargetPath->'%(FullPath)')" Exclude= "$(BuildProjectFolderPath)/../../Development/Main/Web/Bin*.pdb; *.refresh; *.vshost.exe; *.manifest; *.compiled; $(BuildProjectFolderPath)/../../Development/Main/Web/Auth/MySoftware.dll; $(BuildProjectFolderPath)/../../Development/Main/Web/BinApp_Web_*.dll;" Condition="'%(_AllChildProjectItemsWithTargetPath.CopyToOutputDirectory)'=='Always' or '%(_AllChildProjectItemsWithTargetPath.CopyToOutputDirectory)'=='PreserveNewest'" > <Output TaskParameter="Include" ItemName="AllItemsFullPathWithTargetPath"/> <Output TaskParameter="Include" ItemName="_SourceItemsToCopyToOutputDirectoryAlways" Condition="'%(_AllChildProjectItemsWithTargetPath.CopyToOutputDirectory)'=='Always'"/> <Output TaskParameter="Include" ItemName="_SourceItemsToCopyToOutputDirectory" Condition="'%(_AllChildProjectItemsWithTargetPath.CopyToOutputDirectory)'=='PreserveNewest'"/> </CreateItem> </Target>  </Project> I want to build everything that the builtin Deploy project is doing for me. But i dont want the generated Web Project as it conatains App_Web_xxxx.dll assemblies instead of a single compiled assembly. Please help. Thanks

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Expression web ftp: Stuck at "Listing subsites"

- by FrankPython

When I try to use the Expression Web 4 built-in ftp I see the message ""Listing subsites in.." and soon afterward "passive ftp not available". If I switch to active, I get "active ftp not available". There are no subsites. It is a simple directory with one html page. Backend is a normal IIS6 server. FTP to the same IP with other FTP clients works fine! Any idea if Expression web has some specific requirements? It is our own dedicated server. (Please no tips to use another tool, for this specific project Expression Web is a requirement).

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Changes to JBoss web.xml have no effect

- by sixtyfootersdude

I just added this to my web.xml on my JBOSS server. But it had no effect. I am still allowed to connect to ports that do not use bi-directional certificate exchange. Anyone have an ideas?  <security-constraint>  <web-resource-collection>   <web-resource-name> Entire Application </web-resource-name>  <url-pattern> /* </url-pattern> </web-resource-collection>  <user-data-constraint>          <transport-guarantee> CONFIDENTIAL </transport-guarantee> </user-data-constraint> </security-constraint> <login-config>    <auth-method> CLIENT-CERT </auth-method> </login-config> Update Actually it appears that I have made an error in my original posting. The web.xml does block users from connecting to the webservice using http (port C below). However users are still allowed to connect to ports that do not force users to authenticate themselves (port B). I think that users should be able to connect to port A (it has clientAuth="true") but I dont think that people should be able to connect to port B (it has clientAuth="false"). Excerpt from server.xml <Connector port="<A>" ... SSLEnabled="true" ... scheme="https" secure="true" clientAuth="true" keystoreFile="... .keystore" keystorePass="pword" truststoreFile="... .keystore" truststorePass="pword" sslProtocol="TLS"/> <Connector port="<B>" ... SSLEnabled="true" ... scheme="https" secure="true" clientAuth="false" keystoreFile="... .keystore" keystorePass="pword" sslProtocol = "TLS" /> <Connector port="<C>" ... />

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Python in Finance by Yuxing Yan, Packt Publishing Book Review

- by Compudicted

Originally posted on: http://geekswithblogs.net/Compudicted/archive/2014/06/04/python-in-finance-by-yuxing-yan-packt-publishing-book-review.aspx I picked Python in Finance from Packt Publishing to review expecting to bore myself with complex algorithms and senseless formulas while seeing little actual Python in action, indeed at 400 pages plus it may seem so. But, it turned out to be quite the opposite. I learned a lot about practical implementations of various Python modules as SciPy, NumPy and several more, I think they empower a developer a lot. No wonder Python is on the track to become a de-facto scientist language of choice! But I am not going to compromise the truth, the book does discuss numerous financial terms, many of them, and this is where the enormous power of this book is coming from: it is like standing on the shoulders of a giant. Python is that giant - flexible and powerful, yet very approachable. The TOC is very detailed thanks to Packt, any one can see what financial algorithms are covered, I am only going to name a few which I had most fun with (though all of them are covered in enough details): Fama*, Fat Tail, ARCH, Monte-Carlo and of course the volatility smile! I am under an impression this book is best suited for students in Finance, especially those who are about to join the workforce, but I suspect the material in this book is very well suited for mature Financists, an investor who has some programming skills and wants to benefit from it, or even a programmer, or a mathematician who already knows Python or any other language, but wants to have fun in Quantitative Finance and earn a few buck! Pure fun, real results, tons of practical insight from reading data from a file to downloading trade data from Yahoo! Lastly, I need to complement Yuxing – he is a talented teacher, this book could not be what it is otherwise. It is a 5 out of 5 product. Disclaimer: I received a free copy of this book for review purposes from the publisher.

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digital magazine publishing engine licensing question

- by nosarious

I have a publishing engine I have been developing for thirty months but find myself being unable to work on it during my masters degree. I would like to make it open source in the interim to get others to use it and improve how it works. I would like to consider a licensing system that allows for multiple instances of the software for singular users (ie, a newspaper/magazine or zine hosting the code on their own). I would like to limit it from becoming the basis of a larger magazine hosting service right now because it is intended to be an integral part of a much larger publishing ecosystem which allows for the creation, dissemination and collection of publications as a free or very inexpensive service. Right now there is no license associated with it, which is why I am not posting a link here. (This system was developed to counter implied censorship for digital magazines and remove costly and confusing 'barriers to entry' for creators wishing to make interactive digital content. It is intended to be useful for free, but I would like to prevent people taking the code and using it to take advantage of others. It needs a bit of work to separate the content from the page itself to allow the access of multiple which I cannot develop right now) Any help or suggestion on how to handle licensing this code for contributions and use would be appreciated, and if anyone would like to see examples or the github I would be happy to send it.

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click events issue in jquery.

- by alex

I don't know if the title explain this situation well. Below is a code i wrote to create div elements when the button is pressed. Then By clicking on any of the created divs, we can change the div background by choosing a color from the drop down box. However if i click on another div and tried to change the color by selecting another color from the drop down, the previously clicked divs also gets affected by the new color. Why is this happening. I only want the selected div to change color, without affecting the previously clicked divs. I read allot of threads on this site, some of which talks about unbinding clicks, but I'm unable to solve the problem. Thanks for the help. <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js" type="text/javascript"></script> <style> .aaa { width:100px; height:100px;background-color:#ccc;margin-bottom:5px;} p{widht:500px; height:500px; margin:0px; padding:0px;border:2px solid red;color:#000;} </style> <select id="item_select" name="item"> <option value="1">red</option> <option value="2">blue</option> <option value="3">green</option> </select> <button>Click to create divs</button> <p id="ptest"></p> <script type="text/javascript"> var dividcount = 1; $("button").click(run); function run(){ var myDiv = $('<div id=lar'+dividcount+' class=aaa></div>'); $(myDiv).clone().appendTo('#ptest'); $(dividcount++); $("div").bind('click',(function() { var box = $("div").index(this); var idd = (this.id); $("#"+idd).text("div #"+idd); $("select").change(function(){ var str= $("select option:selected").text(); $("#"+idd).css("background-color",str); }); })); }; </script>

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ListView Long Click Animation

- by spaceboy2000

I would like to capture long click events in a ListView, which was easily done using a OnItemLongClickListener. However, that lacks the fading animation of the selector transitioning to a long press that is seen when the long click is handled by onCreateContextMenu. How can I get that animation using OnItemLongClickListener?

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Dotnet website - class in one file can't access class in a different file

- by bmutch

I've inherited a web site I'm editing in dotnet and it won't compile because the class in one file (say class1.vb) refers to a class in another file (say class2) (like Dim m_c As class2) , but the compiler says "Type Class2 is not defined". when I look in the object browswer the classes are listed separately (i.e. not all grouped under the same namespace) and appear as: Public Class Class1 Inherits System.Object Member of C:...\mywebsite\ Help!, thanks.

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html body gwt click event

- by user153506

html file has two textbox and one button. but i need to generate click event when i only click outside of the two textboxes and button element.how can i do that. RootPanel.get().addEventListener or something like that?? help.

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menu with: hover, click, class change and ajax

- by abdullah kahraman

Hello! I have made a menu that adds class "active" on hover to each li, and removes the class when hovered out, except on li s that has a class "active" already. So far, this is done. However I have another .click() on every li that loads a content to somewhere with ajax. The problem starts here, when I click, I want to add class "active" to clicked element and remove class from all of them. I add the class, but the li that had class "active" before the click doesn't get "active" when hovered, I think the "active" class is not removed from it? Can anyone help? <div id="menu"> <ul> <li><a href="index.php" id="homeLink">home</a></li> <li><a href="#">news</a></li> <li><a id="test" href="#" class="active">blog</a></li> <li><a href="#">gallery</a></li> <li><a href="#">about</a></li> <li><a href="contact.php" id="contactLink">contact</a></li> <li id="ajaxP" style="display:none"><img alt="loading" style="border:none;" src="images/ajax-loader.gif"/></li> </ul> </div> Here is the jquery: $("#menu").find("a").not(".active").each(function(){ $(this).hover(function(){ alert($(this)); $(this).addClass("active"); },function(){ $(this).not(".clicking").removeClass("active"); }); }); $("#homeLink").click(function(){ var myThis=$(this); $("#ajaxP").fadeIn("slow"); $("#normalcontent").hide("slow").load("index.php #normalcontent").slideDown("slow"); $("#primarycontainer").hide("slow").load("index.php #primarycontainer").slideDown("slow"); $("#ajaxP").fadeOut("normal"); $("#menu").find("a").each(function(){ $(this).unbind('mouseover').unbind("mouseout"); $(this).removeClass("active clicking"); }); myThis.addClass("active clicking"); return false; });

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Assign an existing click event function to another click event using jquery

- by Peter Delahunty

Ok so i have some html like this: <div id="navigation"> <ul> <li> <a>tab name</a> <span class="delete-tab">X</span> </li> <li> <a>tab name</a> <span class="delete-tab">X</span> </li> <li> <a>tab name</a> <span class="delete-tab">X</span> </li> <li class="selected"> <a>tab name</a> <span class="tab-del-btn">X</span> </li> </ul> </div> I then have javascript that is excuted on the page that i do not control (this is in liferay portal). I want to then manipulate things afterwards with my own custom javascript. SO... For each of the span.delete-tab elements an on-click event function has been assign earlier. It is the same function call for each span. I want to take that function (any) and call it from the click event of the span.tab-del-btn ? This is what i tried to do: var navigation = jQuery('#navigation'); var navTabs = navigation.find('.delete-tab'); var existingDeleteFunction = null; navTabs.each(function (i){ var tab = jQuery(this); existingDeleteFunction = tab.click; }); var selectedTab = jQuery('#navigation li.selected'); var deleteBtn = selectedTab.find('.tab-del-btn'); deleteBtn.click(function(event){ existingDeleteFunction.call(this); }); It does not work though. existingDeleteFunction is not the original function it is some jquery default function. Any ideas?

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Detect if selected element is an anchor on right click

- by Yawn

I'm writing a small firefox addon to grab urls and send them to a site. What I want to do is be able to right click on a link (but not have to actually highlight it) and be able to click send and the links href value is grabbed and sent. The bit I'm having trouble with is detecting if the selected element is an anchor and grabbing it's href. Many thanks for any help given :)

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jQuery Click ID and OpenURL?

- by Brett

Hi GUys, I am trying to click on a #ID and open a URL - but [as a newbie] - I can't seem to get it. I am using $('#Test').click(function() { OpenUrl('some url'); return false; });

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Asp.net web service: Problems accessing without www

- by MysterM

I have a Asp.net web service running on www.domain.com/Service.svc that I connect to using jQuery from my asp.net website. Everything works perfect if the user access my website with www.domain.com. But if the user uses only domain.com I get error: There was no channel actively listening at 'http://domain.com/Service.svc/get?date=2010-10-09'. This is often caused by an incorrect address URI. Ensure that the address to which the message is sent matches an address on which a service is listening. In my web.config I use the serviceHostingEnvironment tag to get the service running on my webhost (it doesn't work otherwise). Maybe this is what causes the error? Here is my system.serviceModel in web.config (I had some problems setting up the web service so that's why my web.config might be a bit messy: <system.serviceModel> <behaviors> <endpointBehaviors> <behavior name="ServiceAspNetAjaxBehavior"> <enableWebScript /> </behavior> </endpointBehaviors> <serviceBehaviors> <behavior name="ServiceBehavior"> <serviceDebug includeExceptionDetailInFaults="true" /> </behavior> </serviceBehaviors> </behaviors> <serviceHostingEnvironment aspNetCompatibilityEnabled="true"> <baseAddressPrefixFilters> <add prefix="http://www.domain.com"/> </baseAddressPrefixFilters> </serviceHostingEnvironment> <services> <service behaviorConfiguration="ServiceBehavior" name="Service"> <endpoint address="" behaviorConfiguration="ServiceAspNetAjaxBehavior" binding="webHttpBinding" bindingConfiguration="ServiceBinding" contract="Service" /> </service> </services> <bindings> <webHttpBinding> <binding name="ServiceBinding" maxBufferPoolSize="1000000" maxReceivedMessageSize="1000000"> <readerQuotas maxDepth="1000000" maxStringContentLength="1000000" maxArrayLength="1000000" maxBytesPerRead="1000000" maxNameTableCharCount="1000000" /> </binding> </webHttpBinding> </bindings> </system.serviceModel> How can I make it possible for my users to access my webservice also when using only domain.com?

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jQuery click off element event

- by Nic Hubbard

I have a floating div that gets displayed, and I want it to be hidden when the user clicks off the div. This would be similar to the .hover() funtion callback when hovering off an element. Only I want to do this for click. I tried just setting a click event for the body, which would hide the div, but that gave unexpected results. Anyone have ideas on how I could easily do this?

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Triggering a JavaScript click() event at specific coordinates

- by OneNerd

Trying to fire off (trigger) a click event. Its easy to do in jQuery, but cannot figure out how to set the coordinates of the event and send them along. Essentially, I need to trigger a click at a specific location (which is calculated prior to the trigger() call). Any way to do this (in jQuery or otherwise)? Thanks -

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jquery - "click" on keypress?

- by WonderBugger

I have an ajax search form that works fine if you click "submit" in that you enter a zipcode, click the "Enter" button and up pops results instantly. I'm trying to make it so that if the user presses "enter" on the keyboard, it has the same effect. It looks like it's submitting, but no results come up... I tried: if($('#search').length) { $('#zipcode').keyup(function(e) { if(e.keyCode == 13) { e.preventDefault(); $('#search').submit(); } }); }

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New Features in ASP.NET Web API 2 - Part I

- by dwahlin

I’m a big fan of ASP.NET Web API. It provides a quick yet powerful way to build RESTful HTTP services that can easily be consumed by a variety of clients. While it’s simple to get started using, it has a wealth of features such as filters, formatters, and message handlers that can be used to extend it when needed. In this post I’m going to provide a quick walk-through of some of the key new features in version 2. I’ll focus on some two of my favorite features that are related to routing and HTTP responses and cover additional features in a future post. Attribute Routing Routing has been a core feature of Web API since it’s initial release and something that’s built into new Web API projects out-of-the-box. However, there are a few scenarios where defining routes can be challenging such as nested routes (more on that in a moment) and any situation where a lot of custom routes have to be defined. For this example, let’s assume that you’d like to define the following nested route: /customers/1/orders This type of route would select a customer with an Id of 1 and then return all of their orders. Defining this type of route in the standard WebApiConfig class is certainly possible, but it isn’t the easiest thing to do for people who don’t understand routing well. Here’s an example of how the route shown above could be defined: public static class WebApiConfig { public static void Register(HttpConfiguration config) { config.Routes.MapHttpRoute( name: "CustomerOrdersApiGet", routeTemplate: "api/customers/{custID}/orders", defaults: new { custID = 0, controller = "Customers", action = "Orders" } ); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } ); GlobalConfiguration.Configuration.Formatters.Insert(0, new JsonpFormatter()); } } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } With attribute based routing, defining these types of nested routes is greatly simplified. To get started you first need to make a call to the new MapHttpAttributeRoutes() method in the standard WebApiConfig class (or a custom class that you may have created that defines your routes) as shown next: public static class WebApiConfig { public static void Register(HttpConfiguration config) { // Allow for attribute based routes config.MapHttpAttributeRoutes(); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } ); } } Once attribute based routes are configured, you can apply the Route attribute to one or more controller actions. Here’s an example: [HttpGet] [Route("customers/{custId:int}/orders")] public List<Order> Orders(int custId) { var orders = _Repository.GetOrders(custId); if (orders == null) { throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.NotFound)); } return orders; } This example maps the custId route parameter to the custId parameter in the Orders() method and also ensures that the route parameter is typed as an integer. The Orders() method can be called using the following route: /customers/2/orders While this is extremely easy to use and gets the job done, it doesn’t include the default “api” string on the front of the route that you might be used to seeing. You could add “api” in front of the route and make it “api/customers/{custId:int}/orders” but then you’d have to repeat that across other attribute-based routes as well. To simply this type of task you can add the RoutePrefix attribute above the controller class as shown next so that “api” (or whatever the custom starting point of your route is) is applied to all attribute routes: [RoutePrefix("api")] public class CustomersController : ApiController { [HttpGet] [Route("customers/{custId:int}/orders")] public List<Order> Orders(int custId) { var orders = _Repository.GetOrders(custId); if (orders == null) { throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.NotFound)); } return orders; } } There’s much more that you can do with attribute-based routing in ASP.NET. Check out the following post by Mike Wasson for more details. Returning Responses with IHttpActionResult The first version of Web API provided a way to return custom HttpResponseMessage objects which were pretty easy to use overall. However, Web API 2 now wraps some of the functionality available in version 1 to simplify the process even more. A new interface named IHttpActionResult (similar to ActionResult in ASP.NET MVC) has been introduced which can be used as the return type for Web API controller actions. To return a custom response you can use new helper methods exposed through ApiController such as: Ok NotFound Exception Unauthorized BadRequest Conflict Redirect InvalidModelState Here’s an example of how IHttpActionResult and the helper methods can be used to cleanup code. This is the typical way to return a custom HTTP response in version 1: public HttpResponseMessage Delete(int id) { var status = _Repository.DeleteCustomer(id); if (status) { return new HttpResponseMessage(HttpStatusCode.OK); } else { throw new HttpResponseException(HttpStatusCode.NotFound); } } With version 2 we can replace HttpResponseMessage with IHttpActionResult and simplify the code quite a bit: public IHttpActionResult Delete(int id) { var status = _Repository.DeleteCustomer(id); if (status) { //return new HttpResponseMessage(HttpStatusCode.OK); return Ok(); } else { //throw new HttpResponseException(HttpStatusCode.NotFound); return NotFound(); } } You can also cleanup post (insert) operations as well using the helper methods. Here’s a version 1 post action: public HttpResponseMessage Post([FromBody]Customer cust) { var newCust = _Repository.InsertCustomer(cust); if (newCust != null) { var msg = new HttpResponseMessage(HttpStatusCode.Created); msg.Headers.Location = new Uri(Request.RequestUri + newCust.ID.ToString()); return msg; } else { throw new HttpResponseException(HttpStatusCode.Conflict); } } This is what the code looks like in version 2: public IHttpActionResult Post([FromBody]Customer cust) { var newCust = _Repository.InsertCustomer(cust); if (newCust != null) { return Created<Customer>(Request.RequestUri + newCust.ID.ToString(), newCust); } else { return Conflict(); } } More details on IHttpActionResult and the different helper methods provided by the ApiController base class can be found here. Conclusion Although there are several additional features available in Web API 2 that I could cover (CORS support for example), this post focused on two of my favorites features. If you have .NET 4.5.1 available then I definitely recommend checking the new features out. Additional articles that cover features in ASP.NET Web API 2 can be found here.

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