LINQ Grouping through SelectMany - Powerful!

This is the first time I use this feature and I love it very much!

What this feature does is that it flattens your object in relation to your defined selected child object.

So for example, if I have a list of Item object and that object has a List of Category (imagine Item has N:N relationship to Category) and I want to be able to group it based on the Category and display it in such a way so it looks like this:

Category 1
  • Item 1
  • Item 2
  • Item 3
Category 2
  • Item 2
  • Item 4
and so on..

It is easy to get that structure using LINQ!

That's all you need to do! ^_^ Hope this helps, Andreas

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