ASP.NET

ASP.NET

1. Server-side web environment

2. Programming Models

   • Web Pages
     • for simple data-driven sites
     • Code in web page
       • C# - .cshtml
       • VB - .vbhtml
   • Web Forms
     • rich server-side controls
       • Buttons
       • textboxes
       • Gridview
       • Custom controls
     • Page Life Cycle
       • similar to building desktop applications
     • Event handlers
       • respond to user actions
         • button_Click() event
   • MVC
     • Model
       • Defines classes that represent the object types
       • Data Access Logic
         • reads data from DB
         • writes data to DB
     • View
       • Builds the web pages that make up the UI
       • Displays properties of the model class
     • Controller
       • Handles user interaction
       • Creates & modifies model classes
       • Selects appropriate views
     • More control over generated HTML
     • improves testability
     • logical structure

3. ASP.NET API

   • Configuration
     • System.Web.Configuration
     • web.config
       • XML files
       • DB connections
       • Custom Error pages
   • Authentication & Authorisation
     • System.Web.Security
     • Membership providers
       • Authenticate & authorise users
       • Restrict access to content
       • Account management tasks
   • Caching
     • rendered pages
       • mitigates the delay in rendering a webpage
     • framework objects
     • System.Runtime.Caching
     • caches configured in web.config

4. Compiling

   • 2-stage process
     • ASP.NET compiler
       • compiles to MSIL
         • independent of language used
         • independent of CPU architecture
       • creates .dll files
     • CLR
       • compiles to native code for the server CPU
   • allows errors to be detected at build time