F5: debug
Ctrl F5: run
Shift F5: stop debug
Ctrl Shift B: build solution

MVC convention vs configuration
Controller default route:
/home (/home/index)
return View(); -> get view with same name as method in folder of controller name
(convention: xxxController : Controller)
folder: View/Home/Index.cshtml
return View("About");
folder: View/Home/About.cshmtl

View searching:
View/Home
View/Shared

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select code
alt + arrow to move code up/down

App_Start/RouteConfig.cs
select first match -> order matters

return Content("some string");

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ActionResult class
and built-in action result types (view, partial view, content, json, javascript, etc.)

return JSON: JsonBehavior.AllowGet

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Action selector attribute:
[HttpGet]
[HttpPost]

ViewBag to pass session data to View from Controller

MVC 5: Attribute Routing vs RouteConfig

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Authorization filter:
[Authorize]: authenticated users
[Authorize(Roles="Admin")]

Custom Action Filter
xxxAtrribute : ActionFilterAttribute
override OnActionExecuting/OnActionExecuted(ActionExecutedContext con)
do task
base.OnActionExecuted(con);

[xxx]
some Action();

Global filter:
App_Start/FilterConfig.cs

Web.config
<CustomErrors mode="On" />
show normal error message instead of debug info even with requests from development server

Default error view:
View/shared/Error.cshmtl

Custom error handler:
[HandleError(View="MyError")]
some Action

[HandleError(View="SOError",ExceptionType=typeof(StackOverflowError))]
some Action

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@helper SomeFunction
for each inside <ul><li>
@@
@:plain text

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View/Shared/_ViewStart.cshtml
@{
Layout = ...
}

_Layout.cshmtl
@RenderBody()

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@Html.<helpers>

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