8 мар. 2011 г. · I would like to use LINQ to create a List from the List, grouped by the School, Friend and FavoriteColor properties. Is this possible with LINQ?

14 июл. 2020 г. · I want to aggregate a list of OrganisationMentions by Publication\Location\PracticeArea to get a list of RelatedOrganisationMentions objects with a Sum of the ...

20 мар. 2017 г. · First try to get the columns you need projecting the result in an anonymous type: var query= from r in output let columns= r.

22 окт. 2020 г. · I need to do now, in a LINQ query, is to average out the score values grouped by coachNodeId and questionnaireNumber and return a list of type AveragedData.

11 мая 2009 г. · How can I do group by multiple columns in LINQ? Something similar to this in SQL: SELECT * FROM <TableName> GROUP BY <Column1>,<Column2>

8 июл. 2021 г. · I want to retrieve data by group two columns ( Parent_Id and Name ) using LINQ and get the result only the rows with the same group by values.

12 апр. 2015 г. · I am missing the logic of grouping by two columns (PId, jbId), taking count and assigning it back to my model to return it back to view.

3 июн. 2020 г. · It seems like you need grouping on Country name as it is repeating in the data but with different id (which is strange) in that case you need to group and ...

1 дек. 2017 г. · You do not need to group by multiple columns. Based on sample data you are only grouping by one field, CustomerID .

23 нояб. 2016 г. · I would like to group them by IssuerName and DateOfIssue for the following viewModel class: public class ViewModel { public string IssuerName { get; set; }