Hangfire.SqlServer Overloaded dictionary that doesn't throw if given an invalid key Fixes issues such as https://github.com/HangfireIO/Hangfire/issues/871 Initializes SqlServerStorage from the provided SqlServerStorageOptions and either the provided connection string or the connection string with provided name pulled from the application config file. Either a SQL Server connection string or the name of a SQL Server connection string located in the connectionStrings node in the application config argument is null. argument is null. argument is neither a valid SQL Server connection string nor the name of a connection string in the application config file. Initializes a new instance of the class with explicit instance of the class that will be used to query the data. Initializes a new instance of the class with explicit instance of the class that will be used to query the data, with the given options. Initializes a new instance of the class with a connection factory class that will be invoked to create new database connections for querying the data. Initializes a new instance of the class with a connection factory class that will be invoked to create new database connections for querying the data.