Need help in getting calculated values in a data table column without looping and grouping based on another column

[ppr (Peter Preuss)]

have a look here for some more trainings

[HowTo] Overview on different options for grouping data and processing the groups

This HowTo introduces on the different options for grouping data from a datatable in order to process the grouped data. Introduction Grouping data and processing the grouped data is a common scenario e.g. when the grouped data is to aggregate like summing up, find maximum, get the average or concatening items. Lets have a look on following data: [grafik] A possible scenario could be: Create a report containing following information: the region code the sum of CaseCount per RegionCode t…

with the reuse of the calculated sums the dictionary approach from @Yoichi is a recommendable approach for this case