Based on my search until now, AdminLTE seems to be the most popular way of doing it among most devs although a few others like material and coreui are also solid names. Source: almost 2 years ago

You could have a look at AdminLTE (https://adminlte.io/). - Source: Hacker News / almost 2 years ago

AdminLTE - This is by far my favorite because their open source version is "truly" open source, because they don't hold back stuff like calendar and chart plugins to lure you to the pro version. While they do have some premium templates, it's mostly custom styling on top of the base version, not any extra features. - Source: dev.to / about 2 years ago

Looks interesting, thanks for this. Link for anyone borderline curious: https://adminlte.io/. Source: over 2 years ago

I’ll show you how to assign and change the role lists for the users, selecting them by context, and I will also show you how to expand this application’s functionality. You know how to apply your work as an administrator and developer to the new features of the well-proven apptools software complex. With the addition of an adminLTE template, you can now quickly and easily create interface interactions for any... - Source: dev.to / over 2 years ago

For the simplicity we will use MSSQLProvider to fetch the data from the database. This class has basic functionality, if you want to create complex database queries, for example JOIN, you'd better use something like Entity Framework. - Source: dev.to / about 2 months ago

I only wanted to give a simple preview of what can be done with Entity Framework, but if this is something that interests you and you want to go further in-depth with all the possibilities, I recommend checking out the official docs where you can also find a great tutorial which will guide you through building your very own .NET Core web application. - Source: dev.to / about 1 year ago

Entity Framework documentation hub - Entity Framework is a modern object-relation mapper that lets you build a clean, portable, and high-level data access layer with .NET (C#) across a variety of databases, including SQL Database (on-premises and Azure), SQLite, MySQL, PostgreSQL, and Azure Cosmos DB. It supports LINQ queries, change tracking, updates, and schema migrations. Source: about 1 year ago

You can create the DAL using your existing code or start using a Object Relational Mapper like Entity Framework which will do a lot of the work for you, check this out here: https://learn.microsoft.com/en-us/ef/ also check out LINQ. Source: over 1 year ago

And, possibly (not strictly speaking necessary but very useful) Entity framework as a backend part of it. Source: over 1 year ago