70 486 developing asp net mvc 4 web applications

ASP. net mvc 4 Practice Study Note 6: verification, The content of this chapter "view model" is mentioned earlier and has not been explained in more detail. Go to the next chapter: I. Server Verification: Whether the client is verified or not, server-side verification should be performed. Because users may disable Java

Iexceptionfilter interface and is executed when an unhandled exception is thrown during the ASP. NET MVC pipeline execution. Exception filters can be used to perform tasks such as logging or displaying error pages. The Handleerrorattribute class is an example of an exception filter.With experience with previous authorization filters, operations, and result filte

ASP. net mvc Model binding (4)Preface The previous sections gave a rough explanation of the Model binder IModelBinder, implementation type, and Model binder provider. we can think of the Model binder as a large container. Why? Leave a question here. First, the Controller's method parameters may be of many types and may

(Type servicetype) in { - returnkernel. GetAll (servicetype); to } + - Private voidaddbindings () the { *Kernel. Bind(); $ //Create binding with property valuePanax NotoginsengKernel. Bind"discountsize", 50m); - the //Binding When specific condition happened +Kernel. Bind() A. Wheninjectedinto(); the } + } -}View CodeInject Resolver into Global.asaxprotected void Application_Start () {

): Ajax (level 200) download video Course introduction:Ajax technology has become a de facto standard for web development. This course will show you how to use Ajax technology in ASP. net mvc applications. ASP.

: complete, convenient, and very lightweight-the core logic code is only about 200 rows, ensuring a stable, efficient and backward-compatible extension.Extending the asynchronous action function for ASP.Extending the asynchronous action function for ASP. NET MVC (bottom)Other advanced FeaturesTrade-offs when using model binder to bind action parameter fieldsUse I

uniformly plan and control the process of the entire website system (handled by the Controller ), in addition, the division of labor is more effective for development and future maintenance (avoiding repeated custom functions with the same function in many webforms), and controls the overall impact of a function on the system after modification, in addition, different functions are clearly cut, so that technical personnel with different expertise can perform their respective duties, which also

, loadpostdata returns true; otherwise, false is returned. The page framework tracks all controls that return true and calls raisepostdatachangedevent on these controls ." (From msdn) This method is system. web. webcontrols. the custom control defined in control is also the method for processing all custom controls that need to process events. For the page we are discussing today, you can ignore it. 4. Lo

Today, let's take a look at the implementation of the same functionality under ASP. NET MVC 4, which is based on async support under the. NET Framework 4.5, to make our code simpler, see the following fragment code called Index's action method: Public async task

-the core logic code is only about 200 rows, ensuring a stable, efficient and backward-compatible extension.Extending the asynchronous action function for ASP.Extending the asynchronous action function for ASP. NET MVC (bottom)Other advanced FeaturesTrade-offs when using model binder to bind action parameter fieldsUse IIS-level URLs in

value is the model, so just validate it and verify that it returns a Validationresult type. I will not explain the next thing, I believe the last chapter is very clear. Finally, based on whether there is an error in advance processing, if there is an error, the direct return to the view rendering error, even our action is not executed. Well, here we speak yesterday onactionexecuted can be directly delete pull.We will now test the validation code in the Validatortest. [HttpPost] pu

lightweight-the core logic code is only about 200 rows, ensuring a stable, efficient and backward-compatible extension.Extending the asynchronous action function for ASP.Extending the asynchronous action function for ASP. NET MVC (bottom)Other advanced FeaturesTrade-offs when using model binder to bind action parameter fieldsUse IIS-level URLs in