ASP.NET Web API Essentials Using C#


ASP.NET Web API Essentials Using C# – 2 Days

Course Description

This two-day ASP.NET Web API Essentials Using C# course provides a practical hands-on introduction to developing and consuming ASP.NET Web API services using C# and Visual Studio 2015. This Web development framework from Microsoft makes it easy to create HTTP services that can reach a broad range of clients. It is an excellent platform for creating RESTful Web applications. The course is current to .NET Framework 4.5.2/4.6 and ASP.NET Web API 2.

What You Will Learn

  • Gain an understanding of what ASP.NET Web API is and why it is useful
  • Implement HTTP services using Web API and Visual Studio 2015
  • Consume HTTP services using both jQuery and the ASP.NET Web API client library
  • Handle different media formats and content variations in Web API services
  • Understand routing and binding in Web API
  • Perform validation of request data


The student should have a good working knowledge of C# and the .NET Framework. Basic knowledge of ASP.NET, HTML and JavaScript is also required.


  1. Introduction to ASP.NET Web API


    Representational State Transfer

    REST and Web API

    HTTP Services Using Web API

    Using Fiddler

    Web API vs. WCF

    2.      Web API and HTTP

    HTTP Response Codes


    Implementing POST

    Implementing PUT

    Implementing DELETE

    3.      Media Formatters and Content Negotiation

    Internet Media Types

    Media Formatters

    JSON and XML Formatters

    Content Negotiation

    Accept and Content-Type Headers

    Using the Query String

    Custom Request Headers


    BSON Serialization

    4.      JavaScript Clients

    Document Object Model


    Sending AJAX Requests

    Implementing a Client

    5.      Binding, Validation and Routing

    Reading Raw HTTP Requests

    Route Data, Query String and Request Body

    Binding to Simple Types

    Binding to Complex Types

    Validation Using Data Annotations

    Routing in ASP.NET Web API

    Using Default Routes

    6.      .NET Clients

    Web API Client Libraries


    Issuing GET Requests

    Issuing POST Requests

    Other Requests

    Appendix A. Learning Resources

    System Requirements

    Required software is Visual Studio 2015, including the free Visual Studio Community 2015. The preferred operating system is Windows 7. The free Fiddler HTTP tool is also used. This can be downloaded from the Web. See the course Setup Notes for details.

    A good minimal hardware profile for this course would have a 1.8 GHz or equivalent CPU, 2 GB of RAM, and at least 10 GB of free disk space for tools installation and courseware.

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