The SQLite provider has some migrations limitations. You see, using SQLite with Entity Framework Core is different than using SQL Server. Db browser for sqlite sort multiple columns update#You’re probably getting the following error when you want to update the database. To test that, we add a new migration with dotnet ef migrations add SkillSeeding and then update the database with dotnet ef database update, but I have to warn you, this will most likely not work. We can cut the CreatePasswordHash() method from the AuthRepository, create a static Utility class in the Data folder, paste the method and also make it public static. Db browser for sqlite sort multiple columns how to#You will see how to seed users in a minute. Db browser for sqlite sort multiple columns password#This means even the Id, although it is automatically incremented by the database when inserting a new user, and also the password hash.Īnd because I don’t want to set a byte array manually, I would like to use the CreatePasswordHash() method. When seeding users though, we have to set every property. The reason for that is that we want to seed users, but can’t inject the AuthRepository into the DataContext to call the Register() method, for instance. To be more specific, we move this method to a static Utility class. The next thing to modify is the CreatePasswordHash() method of the AuthRepository. Setting a User object is not necessary and wouldn’t work. This is necessary because we have to define this foreign key when seeding the data. But before we can start, we have to make some small changes to our code.įirst, we go to the Character class and add another property, the UserId. In our case, we want to seed users with a character, and these RPG characters should already have skills and a weapon.Īll that is done in our DataContext class. The great thing about data seeding is that you configure your seed or test data once and - in a perfect world - never have to worry about adding data to your database before testing any features. Any web service call works as before but now stores the data in the SQLite database - thanks to Entity Framework.īut before you start adding all the data manually in the DB Browser, let’s have a look at how to seed the database programmatically. When you add, edit or delete a record, make sure to click the “Write Changes” button in the top menu to make your changes persistent. To see the content of a table you can select the second tab “Browse Data” and select the table you want to see. You find the database structure with all the tables in the first tab. Please make yourself a bit familiar with the DB Browser. Db browser for sqlite sort multiple columns portable#There is also a portable version available.Īfter the installation, please open the database file of our web application which can be found in the root directory of the project. Db browser for sqlite sort multiple columns install#So please download the DB Browser and install it. You see, we really are cross-platform here. You can download it on and it is available for Windows, macOS, and Linux. Probably the most used tool to create, design, and edit database files compatible with SQLite would be the DB Browser for SQLite. Now we need a tool to open the file and browse through the database. We create the database file with dotnet ef database update. Tables will be created, keys will be set, and so on. The generated files should look familiar. The easiest way to create the SQLite database with code-first migration is to delete the migrations folder and add a new initial migration.Īs soon as you have removed the folder with all migration files, add a migration again with dotnet ef migrations add Initial. Since the DataContext is now configured to use a SQLite database, the existing migration files won’t work. We’re ready to create the SQLite database. Let’s do that in the terminal with the command dotnet add package .Īfter the installation, you should see the change in your project file.Įnter fullscreen mode Exit fullscreen modeĪlright. The very first thing we have to do to be able to use a SQLite database is adding a new package, which would be. New Package, ConnectionString & Configuration This means, you don’t have to add users, characters, skills, and so on manually. We will configure the application for SQLite, start the migrations from scratch and use the DB Browser for SQLite to have a look at the database.Īdditionally, you will learn how to seed the database. So, it was time to add this chapter with example implementations for SQLite. In that case, SQLite is a popular choice. Many students want to use a database that is cross-platform, lightweight, and usable in many different scenarios such as smartphones, for instance. If you don’t want to use SQL Server for your web application, you might want to choose SQLite. SQLite & Data Seeding with Entity Framework Core You can watch the first hour on YouTube or get the complete course on Udemy. This tutorial series is now also available as an online video course.
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