Posted by: Sameer on: November 4, 2009
There were some concerns over the performance of GroupingCollection class while grouping and calculating summaries.
So, a new class GroupingCollection2 is introduced in the data visualization components.
The major improvements in GroupingCollection2 are -
1. Grouping performance improved.
2. Summary calculation performance improved. Now, instead of looping over the data again and again, summaries are calculated in a single [...]