C# 7 and .NET: Designing Modern Cross-platform Applications

Using Visual Studio 2017 and Visual Studio Code

Open Startup.cs, and import the Swashbuckle's Swagger namespace, as shown in the following code:

using Swashbuckle.AspNetCore.Swagger;

In the ConfigureServices method, add a statement to add Swagger support with documentation for the Northwind service, as shown in the following code:

// Register the Swagger generator, and define a Swagger document //for Northwind serviceservices.AddSwaggerGen(c =>{   c.SwaggerDoc("v1", new Info { Title = "Northwind Service API",    Version = "v1" });});

In the Configure method, add a statement to use Swagger and Swagger UI, and define an endpoint for the OpenAPI specification JSON document, as shown in the following code:

app.UseSwagger();app.UseSwaggerUI(c =>