Using Razor Class Libraries

Learn about incorporating Entity Framework Core functionality in ASP.NET Core Razor Pages.

We'll cover the following

Disabling compact folders for Visual Studio Code
Creating a Razor class library
Implementing a partial view to show a single employee
Using and testing a Razor class library
Try it yourself

Everything related to a Razor Page can be compiled into a class library for easier reuse in multiple projects. With ASP.NET Core 3.0 and later, this can include static files such as HTML, CSS, JavaScript libraries, and media assets such as image files. A website can either use the Razor Page’s view as defined in the class library or override it.

Disabling compact folders for Visual Studio Code

Before implementing our Razor class library, we will learn about a Visual Studio Code feature, which is a compact folder feature. The compact folders feature means that nested folders, such as /Areas/MyFeature/Pages/ are shown in a compact form if the intermediate folders in the hierarchy do not contain files, as shown in the figure:

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Introduction

Hello, C#! Welcome, .NET!

Speaking C#

Controlling Flow, Converting Types, and Handling Exception

Writing, Debugging, and Testing Functions

Building Your Own Types with Object-Oriented Programming

Implementing Interfaces and Inheriting Classes

Packaging and Distributing .NET Types

Working with Common .NET Types

Working with Files, Streams, and Serialization

Working with Data Using Entity Framework Core

Querying and Manipulating Data Using LINQ

Introducing Web Development Using ASP.NET Core

Building Websites Using ASP.NET Core Razor Pages

Building Websites Using the Model-View-Controller Pattern

Building and Consuming Web Services

Building User Interfaces Using Blazor

Conclusion

Using Razor Class Libraries

Disabling compact folders for Visual Studio Code