What are the differences between IOptions and IOptionsSnapshot?

The below are the differences between IOptions and IOptionsSnapshot explained respectively. Both are provided as part of the IOptions framework in ASP.NET Core

Ram
July 9, 2020
Interview Q&A

IOptions and IOptionsSnapshot are interfaces provided as a part of the IOptions framework provided in ASP.NET Core.

There are three interfaces provided by this namespace as a part of configuring IOptions instances.

IOptions
IOptionsSnapshot and
IOptionsMonitor

IOptions

Options configured in IOptions are registered as SingletonServices
Can be injected into any service for accessing options
Doesn’t support option updates when configuration changes
Doesn’t support Named options

IOptionsSnapshot

Options configured in IOptionsSnapshot are registered as ScopedServices
Can be injected into only Scoped and Transient services
Supports updated options even after configuration is loaded
Supports Named options

Ram

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