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Custom
ActionFilterAttribute
Bryan lin
2014/03/21
Agenda
 Introduction of ActionFilterAttribute
 Implementation of custom ActionFilterAttribute
Introduction of ActionFilterAttribute
 System.Web.Mvc.ActionFilterAttribute has the ability for inserting some
logics bef...
Introduction of ActionFilterAttribute
 System.Web.Mvc.ActionFilterAttribute has 4 methods:
 public virtual void OnAction...
Introduction of ActionFilterAttribute
 Do something before action executing, we can override the method
 public override...
Implementation of custom
ActionFilterAttribute
 Step 1: Inherit the ActionFilterAttribute
Implementation of custom
ActionFilterAttribute
 Step 2: Override the method that you want to add your logics on the
timing
Implementation of custom
ActionFilterAttribute
 Step 3: Modify the FilterConfig in App_Start folder and add your custom
A...
FAQ
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Custom action filterattribute

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Transcript of "Custom action filterattribute"

  1. 1. Custom ActionFilterAttribute Bryan lin 2014/03/21
  2. 2. Agenda  Introduction of ActionFilterAttribute  Implementation of custom ActionFilterAttribute
  3. 3. Introduction of ActionFilterAttribute  System.Web.Mvc.ActionFilterAttribute has the ability for inserting some logics before/after action executing or result executing(such as render html)
  4. 4. Introduction of ActionFilterAttribute  System.Web.Mvc.ActionFilterAttribute has 4 methods:  public virtual void OnActionExecuted(ActionExecutedContext filterContext);  public virtual void OnActionExecuting(ActionExecutingContext filterContext);  public virtual void OnResultExecuted(ResultExecutedContext filterContext);  public virtual void OnResultExecuting(ResultExecutingContext filterContext);
  5. 5. Introduction of ActionFilterAttribute  Do something before action executing, we can override the method  public override void OnActionExecuted(ActionExecutedContext filterContext);  Do something after action executing, we can override the method  public override void OnActionExecuting(ActionExecutingContext filterContext);  Do something before result executing, we can override the method  public override void OnResultExecuted(ResultExecutedContext filterContext);  Do something after result executing, we can override the method  public virtual void OnResultExecuting(ResultExecutingContext filterContext);
  6. 6. Implementation of custom ActionFilterAttribute  Step 1: Inherit the ActionFilterAttribute
  7. 7. Implementation of custom ActionFilterAttribute  Step 2: Override the method that you want to add your logics on the timing
  8. 8. Implementation of custom ActionFilterAttribute  Step 3: Modify the FilterConfig in App_Start folder and add your custom ActionFilterAttribute here, that’s all.
  9. 9. FAQ
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