1/17/2024 0 Comments Scaffold dbcontext sql server![]() ![]() ![]() The physical path is 'C:\Users\m*******\source\repos\ConsoleApp5\ConsoleApp5\bin\Debug\net5.0\appsettings.json'. System.IO.FileNotFoundException: 'The configuration file 'appsettings.json' was not found and is not optional. Var northwind = config.GetConnectionString("ConnectionString") ![]() AddJsonFile("appsettings.json", optional: false) SetBasePath(Directory.GetCurrentDirectory()) Then i added this code to get the file:- if (!optionsBuilder.IsConfigured) It can be performed using the Scaffold-DbContext command of the Package Manager Console (PMC) tools or the dotnet ef dbcontext scaffold command of the. The resulting entities are created and mapped to the tables in the. Ok i added the appsetting.json file as follow:- EF Core reverse engineering is the process of code generating entity type classes and a DbContext class based on a database schema. Scaffolding a database produces an Entity Framework model from an existing database. Here, I use name of "appsettings.json" and the following contents for explanation purpose. (1) Install the package: from the NuGet. To use the ConfigurationBuilder for a console application. Although ASP.NET Core application created by the template of VS2019 includes the functionality to obtain the setting information from json files you have to write your code NET Core supports the using the 'authentication keyword in the connection string and implements SqlAuthenticationProviders, in order to use AAD-based authentication you need to obtain an access token using ADAL.NET and then set the AccessToken property on the SqlConnection object before you or EF Core opens it. You can use json file to store the connection string and other setting information. Take advantage of configuration and environments in. I would use server variables for a console application deployed to a server and user secrets during development. Typically, you'll move the connection string a appsetting.json file but there are other options. OptionsBuilder.UseSqlServer("Server=(local) Database=DemoDb Trusted_Connection=True ") For more guidance on storing connection strings, see. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see. #warning To protect potentially sensitive information in your connection string, you should move it out of source code. protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) The scaffolding command adds the connection string to the SchoolDBContext file.Įxample. Please take the time to read the entire reference documentation.Ģ) second question, inside my asp.net core web application > where is the connection string saved? so i can change it when i move my console application to the live environment ? This information is openly covered in links I provided in your 1) can i only map specific tables? instead of mapping all the tables? ![]()
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