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But naming it ConnectionStrings allows us to make use of the getConnectionString method of the IConfiguration object Passing Connection String to DBContext There is no requirement to name the section as “ConnectionStrings”. Hence each connection string is stored as a separate node under the section ConnectionStrings as shown below These name-value pairs into a structured hierarchy of sections. The configuration is stored in name-value pairs.

For example, holds the settings for the production environment and holds the settings for the development environment The appsettings.json file holds the settings that are used in the environment specified by the ASPNETCORE_ENVIRONMENT variable. The appsetting.json holds the settings that are common to all the environments like development, production & testing environment The appsettings.json can be created for each environment separately For this example, we will use the appsettings.json Connection string in appsettngs.json You can store connection string anywhere you wish to. The newer ASP.NET Core applications can read the configurations from the various sources like appsettings.json, user secrets, environment variables, command line arguments etc. The connection strings were stored in web.config file in older version of ASP.NET Applications.