Answers for "c# linq list multiple columns group by most sales"

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2

Group by linq multiple columns C#

var query = (from t in Transactions
             group t by new {t.MaterialID, t.ProductID}
             into grp
                    select new
                    {
                        grp.Key.MaterialID,
                        grp.Key.ProductID,
                        Quantity = grp.Sum(t => t.Quantity)
                    }).ToList();

Posted by: Guest on May-19-2021

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