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I was looking for a way to concatenate the values (comma separated) in a column and group it by another column. I didn’t want to use cursors and I didn’t want to use the .NET CLR to do it. I just wanted to use sql and this is what I found and liked… 1 2 [...]
These videos (3 in total) will explain how it is done. They will be using a relatively simple T4-template that I’ve implemented specifically for the .NET 4.0 version of Entity Framework. The T4-Template is written to support basic CRUD operations against a single collection of table-related classes. The T4-Template doesn’t do much in the way of supporting the necessary operations to track related entities in JSON that come back from the WCF Domain Service query.