Suppose I have a domain service which implements the following business rule / policy: If the total price of all products in category 'family' exceeds 1 million, reduce the price by 50% of the fam...

The commonly known advise in DDD is that an Aggregate Roots don't user a domain service. The domain service is to coordinate two Aggregate Roots to achieve a behavior. It really surprised me when...

Abstract Which name is better? Domain.PersonService DomainServices.PersonService DomainServices.PersonDomainService (consider some longer names like PersonDomainServiceModelDecorator) or...

I'm developing an Lighswitch application in VS2012 with an external SQL Server 2008. I'm using a WCF RIA Service to fetch my data, using these techniques: http://www.c-sharpcorner.com/UploadFile/ra...

I need to group some data from a SQL Server database and since LightSwitch doesn't support that out-of-the-box I use a Domain Service according to Eric Erhardt's guide. However my table contains s...

I'm trying to use RIA services, I installed Silverlight 4 and Silverlight 4 Tools/SDK, but I cannot setup a LINQToEntitiesDomainService because I can't find this namespace/assembly: System.ServiceM...

I need to query current domain controller, probably primary to change user password. (P)DC name should be fully qualified, i.e. DC=pdc,DC=example,DC=com (how to properly name such notation?) How ...

Should I be filtering my IQueryable results from the Domain Service? For example... My 3 portals (Websites) access the same Domain Service Layer, depending on the type of user it is, I call a spec...

I have a fairly simple question to which I cannot seem to find the answer for. I have a silverlight app with Ria Services. In the DomainService class I have an update method like below: public voi...

If my Domain Model is not supposed to know/care about the Repository, then how does some behaviour like .UpdateOrder(...), that encapsulates a CRUD-Update, interface with the Repository? Through a ...