In any programming language, all applications are dependent upon some sort of data. These applications interact with one another, passing data present in different sources such as file objects and external web services.

In this chapter, we will look at the different functionalities provided in C# to access and utilize data in file objects and external web services.

In this chapter, we will cover the following topics:

• Performing I/O operations on file objects
• Different helper classes available in the System.Net namespace that help us with I/O operations