Linq Query to combine multiple query

[ppr (Peter Preuss)]

can you if following output would serve:

• only 3 rows: 1-APR, 2-APR,7-APR
• pos/neg summed up in the same line

Such a case looks like grouping the data with group by and summing up the pos / neg values from the group members

[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…