Entity Framework 6 - Knowledge Base (KB)

Entity Framework options to map list of strings or list of int (List<string>)

I want to store an object that contains a List of primitives using EF....public class MyObject { public int Id {get;set;} public virtual IList<int> Numbers {get;set;} } ...I know that ...EF cannot store... this, but I'd like to know possible solut...

How can I extract a list of Tuple from a specific table with Entity Framework / LINQ?

I need to extract a list of couple 'ID'/'Name' from a large table in C# .NET with Entity Framework....I try this request :...List<Tuple<int, string>> list = (from res in db.Resource select new Tuple<int, string>(res.Resou...

Exception of type 'System.InvalidOperationException' occurred in System.Core.dll but was not handled in user code

I get the below excption:...Exception of type 'System.InvalidOperationException' occurred in System.Core.dll but was not handled in user code...Additional information: The sequence does not contain Elements....at line...var kategoria = db.Kategorie.Includ...

How to add classes to a list?

If i have a set of Entities (Classes) like this :...Employee, Department, Room ... etc ...How to add these ...classes... to a list instead of a list of objects :...Like this :...{Employee, Department, Room} ...I want to get these classes because i have a ...