Lecture #13 - Web Service Clients

Content

1. Syllabus describes topics to be covered, reading material for you to digest before coming to class, and due dates for the assigned projects.
2. Projects:

   Final Project #1, Final Project #2, Final Project #3
   You will do one of these - the choice of which is yours to make - and present on the last day of classes.

   Additional Requirements

   You are expressly requested to refrain from using site editors like Wix, web.com, or other web designers. You may use any of the facilities of Visual Studio or any other text editor of your choice. This same rule applies to your lab submissions as well. For your Final Project demos you will be required to use only page links for navigation. You may host and demonstrate your labs in the built-in Visual Studio web server.

   All projects must use:

   • Asp.net core MVC - main site
   • Asp.net Web API - web service
   • Web API Client
   • SQL db storage
   • At least one static page that uses new features of HTML5, CSS3, and JavaScript6.

3. Web API clients:

   • Console applications Usually just demos, but they can be flexible enough for working systems, as we will see today.
   • Windows Presentation Foundation GUI applications Often used for website administration or running specialized operations on website data.
   • Websites that consume Web Services Used to integrate 3rd-party data into a specialized application, e.g., travel agency.
   • Mobile Clients facebook, twitter, google-maps, amazon music, ...

4. HttpClient

   System.Net.Http.HttpClient
   HttpClient.GetAsync
   HttpClient.SendAsync
   ... Windows.Web.Http.HttpClient
   HttpClient in @angular/common/http
   Apache HttpClient
   Java HttpClient

5. Website Client Demo

   Lect13-WebApiClient
6. Windows Presentation Foundation (WPF): WPF Presentation WPF Controls
   Illustrates how to use a few of the WPF controls.
   Routed Events
   Shows how events bubble up the Xaml parse tree.
   Attached Properties
   WPF properties are based on a property management system that uses dependency objects to manage visual relationships.
   User Controls
   User Controls allow users to combine WPF controls into panels that can be treated as a single composite control.
   Data Templates
   Data templates allow you to customize the way controls present their information.
   WPF Dispatcher Demo
7. WPF Clients WPF Dispatcher Demo, Async Await in WPF application
   Accessing Web api using async and await,

8. Lab #13

   - Integrate Web API into your Final Project Website.