Expression Tree Tutorial - Knowledge Base (KB)

Query manipulation in the EntityFramework, database provider wrapping, and database expression trees

I'm trying to implement data localization logic for Entity Framework. So that if for example a query selects ...Title... property, behind the scenes it should reference the column ...Title_enGB... or ...Title_deCH... depending on the current user culture ...

Refactoring using LINQ to Entities and LinqKit / PredicateBuilder was unsuccessful.

I have been trying to refactor a LINQ expression into a method, and have been running into both the "...Internal .NET Framework Data Provider error 1025...." and "...The parameter 'xyz' was not bound in the specified LINQ to Entities query expression...."...

Save Entity Framework Linq Query to database

I was wondering if we can convert a Linq Query on the Entity Framework and save the query to the database by converting it to an Expression Tree and Serializing. Can someone please help me on this and point me in a right direction whether this can be done...

Internal .NET Framework Data Provider error 1025

IQueryable<Organization> query = context.Organizations; Func<Reservation, bool> predicate = r => !r.IsDeleted; query.Select(o => new { Reservations = o.Reservations.Where(predicate) }).ToList(); ...this query throws "Internal .NET Framework Data Pr...