1. ASP.NET MVC - Action
JASON

2. ASP.NET MVC-Action

What 「Action method」

Action attribute

Custom Action Result

3. Action of Controller
What 「Action method」 ?

4. Action of Controller

必須是 public

不可以是 static

不可以是 extension method

不可以是建構子、getter 或 setter

不可以是 Generic method

不可以是 Controller baseClass method

不可以是 ControllerBase baseClass method

不可以包含 ref 或 out 參數

不能加上 「NonAction」 action selector attribute

5. NonAction Attribute

Represents an attribute that is used to indicate that a controller
method is not an action method.

6. ChildActionOnly Attribute

Represents an attribute that is used to indicate that an action
method should be called only as a child action.
Action
View

7. Html.Action VS Html.RenderAction

Html.Action


Invokes the specified child action method with the specified
parameters and returns the result as an HTML string.
Html.RenderAction

Invokes the specified child action method and renders the result inline in
the parent view.

8. ActionName Attribute

Represents an attribute that is used for the name of an action.

9. Custom Action Results

不同 action ，相同 result , 導致重複的程式碼

action 裡，含有難以測試的程式碼

10. Custom Action Results

使用 action result 消除重複的程式碼

11. Custom Action Results

使用 action result 抽象化難以測試的相依性

12. Reference

Controllers and Action Methods in ASP.NET MVC Applications

http://msdn.microsoft.com/en-US/library/dd410269(v=vs.100).aspx