mvc request life cycle

PreInit: An event that can be accessed in the early stages of the page life cycle. After the PreInit event, personalization information and page themes are loaded.Init: Raised after all controls have been initialized and all appearance settings have been applied. Use this event to read or initialize the properties of a control.InitComplete: Occurs when page initialization is complete.Preload: Performs proce

Life cycle:The servlet architecture is built on the Java multithreading mechanism whose life cycle is the responsibility of the Web container in which it runs, specifically the servlet1 instantiation (created)2 Initializing init ()3 Processing Request Service ()--doget () and,4 Final destruction of the destory () proce

Understanding the life cycle of an ASP. NET Web page is necessary for a web development engineer, especially when writing your own control. The life cycle of an ASP. NET Web page can be basically divided into the following phases: 1. Page Request This page is requested w

#Android四大组件*Activity*Broadcastreceiver*Service*contentprovider#activity life cycle*Oncreate:activity object created, but not visible at this time*onstart:activity is visible on the screen, but there is no focus at this time (not able to point, cannot interact)*the onresume:activity is visible on the screen and gets the focus*onpause:activity is still visible on the screen at this time, but there is no focu

, except for the child window. The child window will share the session of the parent window. For example, when you right-click on a link and select Open in New window in the popup shortcut menu, the child window can access the session of the parent window.What if the client browser disables the cookie feature or does not support cookies? For example, most mobile browsers do not support cookies. The Java Web provides another solution: URL-Address rewriting.URL address Rewriting is a solution that

lifecycle are listed below. (1) initialization----in this phase, two main tasks are accomplished: First, initialize the settings required in the life cycle of the incoming Web request, and track view state. First, the page framework raises the Init event by default and calls the OnInit () method, which the control developer can override to provide initializatio

JSP is the essence of the servlet, the developer's JSP file will be compiled by the Web container into the corresponding servlet, when the servlet is running in the container, the creation and destruction of its instance is not determined by the programmer, but by the Web container control. There are two opportunities to create a servlet: 1. When a client requests a servlet for the first time, the system creates an instance of the servlet, most of which are the servlet. 2.WEB application star

One: The life cycle of the servlet1. Loading (the process of creating a Servlet object)2. Initialize calls only onceCall the init () method3. Performing a servlet taskCall the service () method to call N timesNote: Avoid the generation of 405 errors4. DestructionWhen the server shuts downCall the Destroy () methodIf the server memory overflows, the most recent servlet objects that are not frequently called

. - -Finish ();//destroying the current page - } -});1.startActivityForResult (Intent,requestcode), with return valueThe first parameter is a intent objectThe second parameter is an identity of the request, which is the request label2. The method of receiving return data via Startactivityforresult jumpOnactivityresult (int requestcode,int resultcode,intentdata)The first parameter is the identity of th

I. Overview of the PresentationThis presentation introduces the life cycle management of MEF, with emphasis on the three creation strategies for exporting parts: Creationpolicy.any, creationpolicy.shared, creationpolicy.nonshared.Related downloads (screen recording): http://yunpan.cn/cjZEXHY8N3D6z access Password 3912Warm tip: If the screen recording and code can not be downloaded, you can leave a message i

the session.Here's how to get it: in Requestutils.createactionform (request, mapping, Moduleconfig, servlet), the method invokes another method of its own: private static Actionform Lookupactionform (HttpServletRequest request, string attribute, string scope){Look up any existing form bean instanceif (log.isdebugenabled ()) {Log.debug ("Looking for actionform beans instance in scope '"+ Scope+

through the pointer ECB.8, managed and unmanaged code code. Please refer to: http://www.cnblogs.com/Holmes-Jin/archive/2012/03/14/2396411.html9, http. Sys in (C:\Windows\System32\drivers\), kernel mode and user mode, belonging to the operating system knowledge, this does not do in-depth study.One,IIS5 accepts requests from the browser by inetinfo.exe and then calls "Aspnet_isapi.dll", Aspnet_isapi.dll " follow " named pipe protocol named Pipes" is transmitted through the ECB pointer and work Pr

1. servlet Life cycleThe so-called life cycle refers to the entire process of how a servlet container creates a servlet instance, allocates its resources, invokes its methods, and destroys its instance.Phase one: instantiate (that is, create a Servlet object, call the constructor)Object instantiation occurs in the following two scenarios.First case:When the

by Default the life-cycle of root resource classes are per-request, namely that a new instance of a root resource Class is created every time the request URI path matches the root resource. This makes for a very natural programming model where constructors and fields can is utilized (as in the previous section Showing

Asp. Global.asax in net and the life cycle of Web applications Global.asax files, sometimes called asp.net application files, provide a way to respond to application-level or module-level events in a central location. You can use this file to implement security for your application and some other tasks. The Global.asax file is configured for any direct HTTP request