Entity Framework 6 - Knowledge Base (KB)
62 results in tag: automapper
AutoMapper + Entity Framework ( Entity to DTO and DTO to Entity )
I've got some problems using EF with AutoMapper. =/...for example :...I've got 2 related entities ( Customers and Orders ) and they're DTO classes : ... class CustomerDTO { public string CustomerID {get;set;} public string CustomerName {get;set;} ...
asked by shkipper
Handling entity changes with Entity Framework and AutoMapper
I just started using the Entity Framework 1.0 recently and believe I am beginning to feel the pains everyone is talking about. I'm trying to use best practices so I have a set of DTO that get mapped to and from my Entities via AutoMapper....The real catch...
asked by jason
Entity Framework 4 Proxy Pocos Automapper: mapping problem with inheritance and abstract base class on collections
I am having an issue using AutoMapper (which is an excellent technology) to map a business object to a DTO where I have inheritance off of an abstract base class within a collection....Here are my objects:...abstract class Payment class CashPayment : Paym...
asked by Ken Burkhardt
Entity Framework with Automapper data projection
I want to use AutoMapper to construct a ViewModel (flattening - data projection) for use in an ASP.net MVC app....var tmp = from x in db.Mailings select Mapper.Map<Mailing, MailingViewModel>(x); return View(tmp.ToList()); ...Of course, when I try the samp...
asked by Tom Deleu
Should I use AutoMapper from ViewModel to Entity Framework entities in ASP.net MVC?
I am currently using AutoMapper to map my Entity Framework entities to my View Model:...public class ProductsController : Controller { private IProductRepository productRepository; public ProductsController(IProductRepository productRepository) ...
asked by Dismissile
Automapper is used to map nested items.
I have a Customers EF POCO class which contains a reference to the Address table....The following code seems to work, but I'm not sure it's the cleanest way to do this. Is there a better way to map this using only a single Map call?... [HttpGet] p...
asked by Scottie
DTO Pattern + Lazy Loading + Entity Framework + ASP.Net MVC + Auto Mapper
Firstly, Sorry For lengthy question but I have to give some underlying information....We are creating an Application which uses ASP.net MVC, JQuery Templates, Entity Framework, WCF and we used POCO as our domain layer. In our application, there is a WCF ...
asked by marvelTracker
Domain vs DTO vs ViewModel - How and When to use them?
In a Multi-layer project with Domain layer (DL)/Business (Service) Layer (BL)/Presentation Layer (PL), what is the best approach to deliver Entities to the Presentation Layer?...DO => Domain Object; DTO = Domain Transfer Object; VM => View Model; V => Vie...
asked by Patrick
Mapping a DTO to an Entity with Automapper
I have an Entity Framework POCO with the following structure....public class Entity { public virtual int Id { get; set; } public virtual string Name { get; set; } } ...I've created a Data Transfer Object for this entity to be used by my views....p...
asked by Paul Aldred-Bann
How to update an existing Entity from ViewModel using Automapper and EF4 DbContext with Lazy Loading enabled
I am using Automapper to map between Entity and ViewModel object (in both directions). The model uses EF4 DbContext POCOs and needs LazyLoading (and therefore Proxy Generation) enabled. ...I have come across a problem attempting to update an existing enti...
asked by Paul Taylor
How do i convert a int to an enum and a string using automapper and int from DB
Could someone please explain how I can use Automapper to map from DB int value to a string, using Enums as the collection....I have the following...Enum...public enum Status { Open, Closed } ...EF 4.1 Domain Model...public class MyEntity { ... pub...
asked by Mark
Map collection of objects
I am trying to introduce Automapper into an application for the first time, but I keep getting an error saying I have some invalid arguments....My model:...namespace StoreGradesLib.Models { public class Store { [Key] public int Sto...
asked by Riddick
How to convert from Expression<Func<DomainType>>predicate to Expression<Func<DTOtype>predicate
Some background: I have in my application multiple layers, two of which are a domain layer and an infrastructure layer which serves as my DAL. In the domain layer, I have implemented a generic repository pattern as such:... public interface IRepository...
asked by John Pool
LINQ and AutoMapper
I'm wondering if there is anything I can do to get this working as expected. This works fine in my code:... var roles = _securityContext.Set<Role>(); var roleList = new List<RoleDto>(); foreach (var role in roles) { ...
asked by Jammer
Saving Viewmodel data to the Database in ASP.NET MVC
I am new to ASP.net MVC and am using a viewmodel rather than viewbags to populate my dropdowns since I've seen most people recommend against them. I have a slick UI that does cascading dropdowns and autocompletes (not shown here) but I can't seem to get ...
asked by Jim
Automapper, MapFrom and EF dynamic proxies
I have been trying to map my domain objects to a report view model. Things all worked well in testing where I faked the entity framework code out and used a builder to return a fully populated pocco object. Now that I am actually hitting the database and...
asked by Andrew
How to map a nullable property to a DTO using AutoMapper?
I'm developing an Azure Mobile Service, in my model some of the relationships are optional, making the properties that represent it to be nullable....For example, my Message entity in my model class is like this:...public partial class Message { publi...
asked by Uriel Arvizu
Should foreign Id properties be mapped from Model to Dto?
If I have the following model:...public class Customer { public int Id {get; set;} public int CustomerTypeId {get; set;} public virtual CustomerType {get; set;} } ...Should the Dto exclude foreign Id's to look like this:...public class Custome...
asked by Ivan-Mark Debono
Automapper Projection and LINQ queries with EF6
We have a legacy system with support for multiple languages. The language specific fields is duplicate on each database row - per language with language code as column name prefix. In our EF6 model we us a LocalizedString complex type to hold all the tran...
asked by Jonny Bekkum
Automapper many to many mapping
Patrick, thanks for advice about correct question!...EDIT 1:...I have three table for many to many relationship. Like this: ...GoodEntity:...public partial class GoodEntity { public GoodEntity() { this.GoodsAndProviders = new HashSet<GoodA...
asked by Hellaren
