LINQ: Showing Single Record From Child Table with Parent Table Row.

In LINQ if you want to show the child table single record with the parent table, you can do like below:

from mem in ctx.Member
join ord in ctx.MemOrder on mem.member_id equals ord.member_id
into memord
select new StagingClass
{
 mem.member_id,
 latestOrderNo = memord.FirstOrDefault().OrderNo
}

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