NHaml “gotcha”: Remember to set Build Action for haml files to Content

I’m using NHaml because, frankly, I wanted to try something that gives me easier to write markup. NHaml seemed about perfect. I started my earning experience last night and thought “this is cool”. I returned to the project again today and I forgot some simple basics. Because I’m also using Azure, I may be one of 5 people on the planet who have had this problem so far. When adding a file to an Azure project, you may want the file to be present in the deployment module. This means that after adding the .haml file, you need to set its Build Action property to Content. By default, the value will be None. If you forget to set the Build Action to Content, you will get the following error (in this case, for a page at /home/about):

The view ‘about’ or its master could not be found. The following locations were searched:

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: The view ‘about’ or its master could not be found. The following locations were searched:
Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[InvalidOperationException: The view 'about' or its master could not be found. The following locations were searched:
   System.Web.Mvc.ViewResult.FindView(ControllerContext context) +105521
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +139
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +10
   System.Web.Mvc.<>c__DisplayClass11.<InvokeActionResultWithFilters>b__e() +20
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +251
   System.Web.Mvc.<>c__DisplayClass13.<InvokeActionResultWithFilters>b__10() +19
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +178
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +399
   System.Web.Mvc.Controller.ExecuteCore() +126
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +27
   System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +7
   System.Web.Mvc.MvcHandler.ProcessRequest(HttpContextBase httpContext) +151
   System.Web.Mvc.MvcHandler.ProcessRequest(HttpContext httpContext) +57
   System.Web.Mvc.MvcHandler.System.Web.IHttpHandler.ProcessRequest(HttpContext httpContext) +7
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

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