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Cannot implicilty convert type 'IList'

Posted on 2012-12-26

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Last Modified: 2012-12-26

I get a compile error on this line:

System.Collections.IList instrumentList = new List<Instrument>();

instrumentList = session.CreateCriteria<Financial>("f")
                                       .CreateCriteria("fa.InstrumentList", "il", NHibernate.SqlCommand.JoinType.InnerJoin)
                                        .SetResultTransformer(new NHibernate.Transform.DistinctRootEntityResultTransformer())
                                        .List<Instrument>();

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Cannot implicilty convert type 'IList<Instrument>' to Ilist.
What do I need to do?

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Question by:allelopath

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4 Comments

LVL 22

Expert Comment

by:p_davis

ID: 387216952012-12-26

why IList just do

List<Instrument> instrumentList = new List<Instrument>();

LVL 1

Author Comment

by:allelopath

ID: 387217162012-12-26

That gives another compile error:
The non-generic Ilist cannot be used with type arguments

LVL 55

Assisted Solution

by:Jaime Olivares

Jaime Olivares earned 200 total points

ID: 387218822012-12-26

IList has no relationship with IList<>, therefore you cannot convert between them. The unique common interface is IEnumerable
On the other hand, List<> implements IList, so if you can cast a collection to List<> instead of IList<>, then you can assign it to a non-generic IList.

LVL 75

Accepted Solution

by:käµfm³d 👽

käµfm³d 👽 earned 300 total points

ID: 387218862012-12-26

Change line 1 to (edited):

System.Collections.Generic.IList<Instrument> instrumentList = new List<Instrument>();

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