use two criteria
use MultiCriteria so that it would involve a single roundtrip
wire catalogues into categories




On Thu, Mar 19, 2009 at 2:00 PM, Jan Van Ryswyck
<jan.van.rysw...@gmail.com>wrote:

>
> @Valeriu: I'll start looking for other options then. Thx.
>
>
> On Mar 19, 11:35 am, Valeriu Caraulean <caraul...@gmail.com> wrote:
> > When I was looking to solve same problem I've found somewhere mentioned
> that
> > this is not possible. Current Linq implementation also isn't supporting
> it.
> >
> > Still looking forward for a possible solution...
> >
> > On Thu, Mar 19, 2009 at 7:59 AM, Jan Van Ryswyck
> > <jan.van.rysw...@gmail.com>wrote:
> >
> >
> >
> > > Thx for the example.
> >
> > > However, I've been looking how to project the collection of Category
> > > objects to a collection of CatalogDTO for the same DetachedCriteria. I
> > > don't know if that is possible?
> >
> > > On Mar 18, 10:30 pm, Dario Quintana <conta...@darioquintana.com.ar>
> > > wrote:
> > > > Hi
> > > > Here you've an example:
> > >http://unhaddins.googlecode.com/svn/trunk/Examples/uNHAddins.Examples..
> ..
> > > ..
> >
> > > > Cheers
> >
> > > > On Wed, Mar 18, 2009 at 5:22 PM, Jan Van Ryswyck
> > > > <jan.van.rysw...@gmail.com>wrote:
> >
> > > > > I have a question about using projections on collections. Suppose I
> > > > > have the following domain classes:
> >
> > > > > public class Catalog
> > > > > {
> > > > >    public IEnumerable<Category> Categories { get; set; }
> > > > >    public String Name { get; set; }
> > > > > }
> >
> > > > > public class Category
> > > > > {
> > > > >    public String Name { get; set; }
> > > > > }
> >
> > > > > that I want to project to the following DTO's:
> >
> > > > > public class CatalogDTO
> > > > > {
> > > > >    public IEnumerable<CategoryDTO> Categories { get; set; }
> > > > >    public String Name { get; set; }
> > > > > }
> >
> > > > > public class CategoryDTO
> > > > > {
> > > > >    public String Name { get; set; }
> > > > > }
> >
> > > > > The name property of the Catalog is quite easy, but I don't know
> how
> > > > > to do the Categories:
> >
> > > > > DetachedCriteria.For<Catalog>()
> > > > >                .CreateAlias("Categories", "categories")
> > > > >                .SetProjection(Projections.ProjectionList()
> > > > >
> .Add(Projections.Property("Name"),
> > > > > "Name"))
> > > > >
>  .SetResultTransformer(Transformers.AliasToBean(typeof
> > > > > (CatalogDTO)));
> >
> > > > > Should I create a ProjectionList inside the current ProjectionList
> for
> > > > > the Categories? Any thoughts? Thanks in advance.
> >
> > > > --
> > > > Dario Quintanahttp://darioquintana.com.ar
> >
> >
> >
>


-- 
Ken Egozi.
http://www.kenegozi.com/blog
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