This is the sample c# extension projects that helps how can we call a SQLserver stored procedure that returns more then one tables with different columns. 

Html Parsar is used to parse html tag text using XPATH. Some times we need to parse html tag and we required inner text. 

Lazy cache is a simple in-memory caching service. It has a developer friendly generics based API, and provides a thread safe cache implementation that guarantees to only execute your cachable delegates once (it's lazy!). Under the hood it leverages Microsoft.Extensions.Caching and Lazy to provide performance and reliability in heavy load scenarios.