how to call web api method in client application c#

HttpClient class provides a base class for sending/receiving the HTTP requests/responses from a URL.

Example.

In this example, I have created a console application.

To call Web API methods from the console Application, the first step is to install the required packages, using the NuGet Package Manager.

Is it necessary to override a virtual method in C#?

C# virtual keyword is used to create virtual methods in C#. A virtual method is a method that can be redefined in derived classes. When a method is declared as a virtual method in a base class and that method has the same definition in a derived class then there is no need to override it in the derived class.a