Accepted Answer
And this is how it might be expressed more intricately using lambda expressions:
order.Items
.GroupJoin (
productNonCriticalityList,
i => i.ProductID,
p => p.ProductID,
(i, g) =>
new
{
i = i,
g = g
}
)
.SelectMany (
temp => temp.g.DefaultIfEmpty(),
(temp, p) =>
new
{
i = temp.i,
p = p
}
)
Popular Answer
I would advise converting tofrom
syntax, as well as theinto
keyword.
While performing the same function as the method syntax, it is far more understandable (IMO).
(from l1 in myFirstDataSet
join l2 in mySecondDataSet on l1.<join_val> equals l2.<join_val> into leftJ
from lj in leftJ.DefaultIfEmpty()
where <your_where_clause>
select <something>).ToList();
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