open config file without dependency injection
public class AppSettings { private static AppSettings _appSettings; public string AppConnection { get; set; } public AppSettings(IConfiguration config) { this.AppConnection = config.GetValue<string>("AppConnection"); // Now set Current _appSettings = this; } public static AppSettings Current { get { if(_appSettings == null) { _appSettings = GetCurrentSettings(); } return _appSettings; } } public static AppSettings GetCurrentSettings() { var builder = new ConfigurationBuilder() .SetBasePath(Directory.GetCurrentDirectory()) .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true) .AddEnvironmentVariables(); IConfigurationRoot configuration = builder.Build(); var settings = new AppSettings(configuration.GetSection("AppSettings")); return settings; } }
