How to get a List ordered by the List it's filtered by?

Posted by DaveDev on Stack Overflow See other posts from Stack Overflow or by DaveDev
Published on 2010-04-29T09:09:30Z Indexed on 2010/04/29 11:57 UTC
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I have a method as follows. It returns a list of MyTypes which appear to be ordered by myType.Id ascending by default.

public List<MyType> GetMyTypes(List<int> ids)
{
return (from myType in db.MyTypes
        where ids.Contains(myType.Id)
        select new MyType
        {
            MyValue = myType.MyValue
        }).ToList();
}

So if ids contains

302
300
301

the List returned contains items in ascending order.

What do I need to do to return List<MyType> in the order of ids?

Thanks

edit: I've tried orderby ids.IndexOf(myType.Id) but it throws the exception Method 'Int32 IndexOf(Int32)' has no supported translation to SQL.

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