![]() ![]() The warning is there because the generator hardcoded the database's connection string in the code.if everything is ok, you should get the classes generated under the folder Models and the following message in the package manager console should appear.Scaffold-DbContext "Data Source=.\Database\products.db" -OutputDir Models.You need to specify the output path, in our case it will be the folder Models Now you can generate your classes using the following command.You need to copy the needed database to your project folder and choose the right mode of copy to output directory:.To generate the model, you need to use also the command line.Once you installed all packages you should have the following references in your solution.Install the required libraries by executing the following commands :.Open the commad line: Go to Tools => NuGet Package Manager => Package Manager Console and then you will get the command line displayed in your editor.Create a new console project in visual studio.SQLite studio to see the results of the code in the database. ![]() For an SQLite Database, you can perform the step of the previous article Simple Way To Create Sqlite Database to get a basic one or use directly the attached one in the solution.It has also the advantage of the use of the Language Integrated Query LINQ which is a powerful tool to perform your queries and filters. But also it also simplifies your life by giving you advanced possibilities like managing the concurrency and configuring your model. It doesn't only allow you to access the database from your application. Entity FrameworkĮntity framework is the most commonly used ORM in. In this article, we will focus on the database first part. The approach of creating the model in your application and then generating the database is called Code First. The approach of creating the database then generating the class model is called Database First. To make it simple, it's a tool that helps you to translate your database tables to a class Model in your application and vice versa. It also provides you with the methods to perform all the CRUD operation The ORM is the object-relational Mapping Tool. Later in time appeared Object-Relational Mapping. When you get the data from the query execution, you need to parse them and then insert them to your objects. The old way of doing things was to use a database driver in your application, define the connexion and then execute the SQL command and queries from your code. But even if we choose the right one, we still need to work on the design and on its integration in the application side. In my previous article Simple Way To Create Sqlite Database, I talked about the choice of the database and I focused on the simplest one which is Sqlite. ![]()
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