LINQ Technique: Group / Group Join

For this one, I’m trying to write a short series, aiming for 1 blog post every 1-2 weeks. I’ll cover LINQ topics continuously until I run out of ideas. And this week about grouping In LINQ, grouping is the operation of putting data into groups so that the elements in each group share a common attribute. you learn by the example below Simple Grouping Multiple Group-By my example Group products By Category / Type Group-Join: Connecting Related Data Like SQL Join connects related data from two collections using a groupjoin, specifically, it connects customers with their orders.








