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Passing multiple POST parameters to Web API Controller Methods
May 1209ASP.NET Web API introduces a new API for creating REST APIs and making AJAX callbacks to the server. This new API provides a host of new great functionality that unifies many of the features of many of the various AJAX/REST APIs that Microsoft created before it - ASP.NET AJAX, WCF REST specifically - and combines them into a whole more consistent API. Web API addresses many of the concerns that developers had with these older APIs, namely that it was very difficult to build consistent REST sty...
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Physical Directories vs. MVC View Paths
Apr 1205This post falls into the bucket of operator error on my part, but I want to share this anyway because it describes an issue that has bitten me a few times now and writing it down might keep it a little stronger in my mind. I've been working on an MVC project the last few days, and at the end of a long day I accidentally moved one of my View folders from the MVC Root Folder to the project root. It must have been at the very end of the day before shutting down because tests and manual site nav...
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Rebuilding CoasterBuzz, Part III: The architecture using the "Web stack of love"
Apr 1203This is the third post in a series about rebuilding one of my Web sites, which has been around for 12 years. I hope to relaunch in the next month or two. More: Part I: Evolution, and death to WCF Part II: Hot data objects I finally hit a point in the re-do of CoasterBuzz where I feel like the major pieces are in place... rewritten, ported and what not, so that I can focus now on front-end design and more interesting creative problems. I've been asked on more than one occasion (OK, just...
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It’s The Little Things about ASP.NET MVC 4
Mar 1211Conway’s Law states, ...organizations which design systems ... are constrained to produce designs which are copies of the communication structures of these organizations. Up until recently, there was probably no better demonstration of this law than the fact that Microsoft had two ways of shipping angle brackets (and curly braces for that matter) over HTTP – ASP.NET MVC and WCF Web API. The reorganization of these two teams under Scott Guthrie (aka “The GU” which I’m contractually boun...
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ASP.NET MVC + Selenium + IISExpress
Dec 1122The goal of this blog entry is to explain how you can create integration tests for ASP.NET MVC applications by using a combination of Selenium WebDriver and IISExpress. Integration tests are useful when you want to test an entire user story. For example, you might want to test whether a user can successfully add an item to a shopping cart. Adding an item to a shopping cart might require the execution of C# code, database code, and JavaScript code. Using an integration test, you can verify t...
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Preventing CSRF With Ajax
Oct 1111A long while ago I wrote about the potential dangers of Cross-site Request Forgery attacks, also known as CSRF or XSRF. These exploits are a form of confused deputy attack. Screen grab from The Police Academy movie.In that post, I covered how ASP.NET MVC includes a set of anti-forgery helpers to help mitigate such exploits. The helpers include an HTML helper meant to be called in the form that renders a hidden input, and an attribute applied to the controller action to protect. These helpers...
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Prevent Forms Authentication Login Page Redirect When You Don’t Want It
Oct 1104Go that way instead - Photo by JacobEnos CC some rights reserved In an ASP.NET web application, it’s very common to write some jQuery code that makes an HTTP request to some URL (a lightweight service) in order to retrieve some data. That URL might be handled by an ASP.NET MVC controller action, a Web API operation, or even an ASP.NET Web Page or Web Form. If it can return curly brackets, it can be respond to a JavaScript request for JSON. One pain point when hosting lightweight HTTP ser...
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Adding Export Capabilities to the Razor WebGrid
Sep 1103When MVC first came out I really missed having a grid control. Now a few years later, we finally have a grid control again. In case, you didnt know the WebGrid was included in the System.Web.Helpers assembly which shipped with MVC 3. After using a variety of grid controls over the years I was actually glad that the API for the new WebGrid was kept clean and simple. Here is a screenshot of what the grid looks like: To display a grid on a razor view page, you basically create a new grid objec...
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A Simple 2-Column Layout in Razor
Aug 11222 column layouts are rather popular on the web, and there are 1,001 ways to make them work. The approach you choose really depends on the type of content you have, and how you want images and backgrounds to work. What I'll show is the Razor _Layout and CSS to achieve the following look: The Razor _Layout file can rely on partial views to handle each of the primary sections: top, navigation, sidebar, and footer. RenderBody will produce the primary content area. <!DOCTYPE html> <html> <hea...
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Calling ASP.NET MVC Action Methods from JavaScript
Aug 1119In a recent blog post, I wrote a a controller inspector to demonstrate Controller and Action Descriptors. In this blog post, I apply that knowledge to build something more useful. One pain point when you write Ajax heavy applications using ASP.NET MVC is managing the URLs that Routing generates on the server. These URLs aren’t accessible from code in a static JavaScript file. There are techniques to mitigate this: Generate the URLs in the view and pass them into the JavaScript API. This ...
