WCF RIA Services – Knowledgebase

How to resolve: ListBox UI does not update (refresh) on WCF .NET Ria Services domaincontext async call in Silverlight 3

10 March, 2010 Roel van Lisdonk 0 Comments 1 category

When you are calling a function on a WCF .NET RIA service, the completed eventhandler will take you back to the UI thread, but if you are binding the ListBox to a List<….> the UI

Get the DomainService (LINQ to SQL) to load child entities with .NET RIA Services in Silverlight 3

8 March, 2010 Roel van Lisdonk 5 Comments 1 category

If you have a table with related tables then you can get the child entries by editing the DomainService and the metadata: Add the include attribute ([Include()]) to the property containing the child table reference

Entities not loaded after domainContext.Load(domainContext.GetUsers) in WCF RIA service

8 March, 2010 Roel van Lisdonk 0 Comments 1 category

If you use LINQ to SQL and you’re entities are not loaded after you call a GetQuery on the DomainContext, you probably did not use a callback. TTSDomainContext context = new TTSDomainContext(); LoadOperation op =

How to solve: Load operation failed for query ‘Login’ Invalid column name ‘Email’ (Silverlight 3 .NET RIA Services)

8 March, 2010 Roel van Lisdonk 0 Comments 1 category

In my case it was a database – “LINQ to SQL” out of sync issue, after updating the database and the “LINQ to SQL” model the issue was resolved.

Get only the changed data from the database with Linq to SQL and .NET RIA Services in Silverlight 3

8 March, 2010 Roel van Lisdonk 0 Comments 1 category

If you cache data in you’re Silverlight 3 application and want to sync (get the latest data from the database) the entities, you can use the Load function with the LoadBehavior.RefreshCurrent option. This will get

Implementing custom authentication with .NET RIA Services and Silverlight 3, by using a Custom Membership Provider

8 March, 2010 Roel van Lisdonk 2 Comments 1 category

I am creating a Silverlight 3 application that must work with a database that is used by a legacy ASP .net 1.0 system. The database contains tables for users and roles. The Silverlight 3 application

Making the Silverlight 3 .NET RIA Services Business Application, authenticate to SQL Server and not SQLServerExpress

1 March, 2010 Roel van Lisdonk 0 Comments 1 category

If you’re are using SQL Server Developer edition to develop a Silverlight 3 .NET RIA Services Business Application you might encounter an exception during login: Load operation failed for query ‘Login’. at System.Web.DomainServices.ReflectionDomainServiceDescriptionProvider.ReflectionDomainOperationEntry.Invoke(DomainService domainService, Object[]

Tag: WCF RIA Services

How to resolve: ListBox UI does not update (refresh) on WCF .NET Ria Services domaincontext async call in Silverlight 3

Get the DomainService (LINQ to SQL) to load child entities with .NET RIA Services in Silverlight 3

Entities not loaded after domainContext.Load(domainContext.GetUsers) in WCF RIA service

How to solve: Load operation failed for query ‘Login’ Invalid column name ‘Email’ (Silverlight 3 .NET RIA Services)

Get only the changed data from the database with Linq to SQL and .NET RIA Services in Silverlight 3

Implementing custom authentication with .NET RIA Services and Silverlight 3, by using a Custom Membership Provider

Making the Silverlight 3 .NET RIA Services Business Application, authenticate to SQL Server and not SQLServerExpress