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The method below will work fine if you want to get a connectionString from appsettings.json into a Model or ViewModel (not Controller). This is for ASP.NET Core 3 and above.
15 cze 2024 · Discover the right way to set up connection strings with usernames and passwords in ASP.NET Core for secure data access
The connection string should be added to your application's App.config file, or Web.config when using ASP.NET. Connection string containing sensitive information, such as username and password, should protect the contents of the configuration file using Protected Configuration.
16 sie 2021 · In a web application we can specify a database connection string in one of the following two ways. Specify it in the web.config file. Create a common class file for the connection string. Write connection string in web.config file.
31 sty 2024 · Also, we have learned how to read connection strings from environment variables through the .NET Core Configuration object. Finally, we have learned how we can read connection strings in ASP.NET Core applications by injecting a configuration object in a controller class.
In ASP.NET Core, the Configuration class is set up during the Startup class constructor, which reads the appsetting files. Getting the connection string that way allows you to change the database connection string when you deploy the code to a host.
Connection string contain information about the data source that is being connected to. This information varies from provider to provider, but will usually include the name and location of the source, and optionally some means of authenticating the user.
