Would it be possible that an object with an ID set and rowversion null
is not transient? Or is what I am trying to do the wrong way, should I
be attaching the parent entity in full? Just feels clunky to me atm
has to be an easier way.
Cheers
On Sep 13, 8:50 pm, codemonkey <[EMAIL PROTECTED]> wrote:
> Hello,
>
> Having a slight issue and would like some solutions/suggestions, I
> have for example 2 tables. TableA and TableB (mind my names), The
> tables Look like so:
>
> TableA
> ----------
> Id
> Name
> RowVersion
>
> TableB
> ----------
> Id
> TableAId
> Name
> RowVersion
>
> I have a service method which inserts a new TableB, this talks to my
> repository to do an insert.
>
> public void Insert(TableB entity) {
> entity.Validate();
> repository.Insert(entity);
>
> }
>
> No here is my issue, on my view I am passing in a new TableB like
> this, the below is a view method which builds up the entity and passes
> off to the service:
>
> // Build entity
> TableB entity = new TableB();
> entity.Id = view.Id;
> entity.TableA = new TableA() {
> Id = view.TableAId;};
>
> entity.Name = view.Name;
> entity.RowVersion = view.RowVersion;
>
> // Pass to service
> service.Insert(entity);
>
> With mapping the TableA relationship I am just setting the Id hoping
> NH will sort it out, but due to the rowversion is null it thinks it is
> transient so it is creating a new TableB entity. One solution I came
> up with was in my presenter use the TableA service to resolve by Id
> and attach, this works fine, but puts this login in my presenter
> (yuck).
>
> So my current solution is to change my service method to check if the
> TableA's Id is set then use the repository for TableA to resolve by Id
> and then attach it like this. Seems to work ok for now.
>
> Has anyone got any suggestions for me on this topic on how I can make
> this easier?
>
> Cheers
> Stefan
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