私がこれを試してみると:
//IRepository.GetAll<CompanyPerson> returns an IQueriable
//ToObservableList() extension method converts to ObservableCollection
var tt =
(from s in container.Resolve<IRepository>().GetAll<Company>()
join t in container.Resolve<IRepository>().GetAll<Personels>().ToObservableList()
on s.ID equals t.CompanyID into k
from subset in k
select new { s, t = k }).ToList();
私はこの例外を取得します:
Unable to create a constant value of type 'CompanyPerson'. Only primitive types ('such as Int32, String, and Guid') are supported in this context.
そして、私がこれを試してみると:
var tt =
(from s in container.Resolve<IRepository>().GetAll<Company>()
join t in container.Resolve<IRepository>().GetAll<Personels>()
on s.ID equals t.CompanyID into k
from subset in k
select new { s, t = k }).ToList();
または私がこれを試してみると:
(from s in container.Resolve<IRepository>().GetAll<Company>()
join t in container.Resolve<IRepository>().GetAll<Personels>()
on s.ID equals t.CompanyID into k
from subset in k
select new { s, t = new ObservableCollection<CompanyPerson>(k) }).ToList();
これを取れ:
Only parameterless constructors and initializers are supported in LINQ to Entities.
ToObservableList() 拡張:
public static ObservableCollection<T> ToObservableList<T>(this IEnumerable<T> data)
{
ObservableCollection<T> dataToReturn = new ObservableCollection<T>();
foreach (T t in data)
dataToReturn.Add(t);
return dataToReturn;
}
例外なく。
なにか提案を?
ありがとう。