Now that the data access layer's complete, it's time to create the blog API controller. Add a new Web API v2 controller to the Controllers folder, as seen in Figure 4. [Click on image for larger view.

Similarly, if you have a Web API controller method that accepts multiple complex objects, you would not be able to invoke this method directly from a client in a straight forward manner.

You can also apply your custom exception filter globally so that it works for all of the Web API controllers. Here is how you can do this. GlobalConfiguration.Configuration.Filters.Add(new ...

In the Solution Explorer panel, right-click on the Controller folder, then choose Add from the shortcut menu. When prompted for the type of scaffolding to add, select Web API 2 Controller - Empty from ...