To get the most out of this book

It is good to be familiar with C#, ASP.NET Core, HTML, and CSS to get the most out of this book. It does go without saying that reading the first edition of this book will prove helpful.

Software/hardware covered in this book	OS requirements
Docker	Windows or Linux
Visual Studio 2019 Community edition	Windows, Linux

Download the example code files

You can download the example code files for this book from your account atwww.packt.com. If you purchased this book elsewhere, you can visitwww.packtpub.com/supportand register to have the files emailed directly to you.

You can download the code files by following these steps:

1. Log in or register atwww.packt.com.
2. Select theSupporttab.
3. Click onCode Downloads.
4. Enter the name of the book in theSearchbox and follow the onscreen instructions.

Once the file is downloaded, please make sure that you unzip or extract the folder using the latest version of:

• WinRAR/7-Zip for Windows
• Zipeg/iZip/UnRarX for Mac
• 7-Zip/PeaZip for Linux

The code bundle for the book is also hosted on GitHub athttps://github.com/PacktPublishing/Modern-Web-Development-with-ASP.NET-Core-3-Second-Edition. In case there's an update to the code, it will be updated on the existing GitHub repository.

We also have other code bundles from our rich catalog of books and videos available athttps://github.com/PacktPublishing/. Check them out!

Download the color images

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. You can download it here:https://static.packt-cdn.com/downloads/9781789619768_ColorImages.pdf.

Conventions used

There are a number of text conventions used throughout this book.

CodeInText:Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Keep in mind that, in general, claims do not mean anything, but, there are a few exceptions:NameandRolecan be used for security checks, as we will see in a moment..."

A block of code is set as follows:

var principal = new WindowsPrincipal(identity);
var isAdmin = principal.IsInRole(WindowsBuiltInRole.Administrator);

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

"iisSettings": {
  "windowsAuthentication": true,
  "anonymousAuthentication": false,
  "iisExpress": {
    "applicationUrl": "http://localhost:5000/",
    "sslPort": 0
  }
}

Any command-line input or output is written as follows:

          Add-Migration "Initial"
          

          Update-Database
        

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this.Here is an example: "Right-click on the web project and select New Scaffolded Item..."

Warnings or important notes appear like this.

Tips and tricks appear like this.