Group By Data Table on Date Range

[kristoff (Yohanes Tapidingan)]

Hello dear friends,

I want to ask how to group by on data table for date column. Here my DT.

I already success to group by the “Currency” and Sum, but I got problem for the Date. I the result for Date would like this.

[ppr (Peter Preuss)]

@kristoff
for starter help have a look here:

[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…

About grouping / processing on a first look have check on following:
grouping Key: Currency
Sums: as by your requirements
Date: taking oldes and newest date from group ( can we do by sorting and taking first and last)

Dateprocessing: DateTime.ParseExact method should serve for it