CODEWITHSUNDEEP
c#linqlinq-to-entities
Franziee
Franziee

Reputation: 649

How to Call Method in LINQ Select

I have the following method:

internal void DuplicateGroup(int oldGroupId, int newGroupId) {
    IEnumerable<int> res = (from p in Db.table
                            where p.GroupID == oldGroupId
                            select p.packSizeID);
    foreach (int ps in res)
        Db.table.Add(new entityclass { GroupID = newGroupId, packSizeID = ps });
}

The method builds a List from desired IDs then adds new rescords to the same table with newGroupIDs. The question is: is it possible to call method within select?

Upvotes: 1

Views: 1240

Answers (1)

Robert McKee
Robert McKee

Reputation: 21477

Not in that select no, but in some selects, yes. It depends on the data source. LINQ over EF, no, but LINQ over objects, yes.

Upvotes: 1

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