In modern programming and architecture dependency injection is key player. While conducting many interview I noticed that most of the people don't know actually what is DI and what can be achieved through DI.  

This article will cover Create, Read, update and delete operation for child table 

How to create multi table (Master Slave) CRUD in .net core MVC. 

How can we create a form using .net core MVC in which we can map our one to many relationships with C# model or entity.