LINQ to SQL on Windows Phone 7.5: Listing 3. -- Visual Studio Magazine

LINQ to SQL on Windows Phone 7.5: Listing 3.

Adding a Reviews property to the Movie Class.

By Nick Randolph
10/01/2011

private EntitySet<Review> reviews;

public Movie() {
  reviews = new EntitySet<Review>(attachReview, detachReview);
}

[Association(Storage = "reviews", OtherKey = "MovieId", ThisKey = "MovieId")]
public EntitySet<Review> Reviews {
  get { return this.reviews; }
  set { this.reviews.Assign(value); }
}

private void attachReview(Review review) {
  NotifyPropertyChanging("Reviews");
  review.Movie = this;
}

private void detachReview(Review review) {
  NotifyPropertyChanging("Reviews");
  review.Movie = null;
}

About the Author

Nick Randolph runs Built to Roam, a consulting company that specializes in training, mentoring and assisting other companies build mobile applications. With a heritage in rich client applications for both the desktop and a variety of mobile platforms, Nick currently presents, writes and educates on the Windows Phone platform.

Printable Format

comments powered by Disqus

Featured

Get Started Using .NET Aspire with SQL Server & Azure SQL Database

Microsoft experts are making the rounds educating developers about the company's new, opinionated, cloud-ready stack for building observable, production ready, distributed, cloud-native applications with .NET.
Microsoft Revamps Fledgling AutoGen Framework for Agentic AI

Only at v0.4, Microsoft's AutoGen framework for agentic AI -- the hottest new trend in AI development -- has already undergone a complete revamp, going to an asynchronous, event-driven architecture.
IDE Irony: Coding Errors Cause 'Critical' Vulnerability in Visual Studio

In a larger-than-normal Patch Tuesday, Microsoft warned of a "critical" vulnerability in Visual Studio that should be fixed immediately if automatic patching isn't enabled, ironically caused by coding errors.
Building Blazor Applications

A trio of Blazor experts will conduct a full-day workshop for devs to learn everything about the tech a a March developer conference in Las Vegas keynoted by Microsoft execs and featuring many Microsoft devs.
Gradient Boosting Regression Using C#

Dr. James McCaffrey from Microsoft Research presents a complete end-to-end demonstration of the gradient boosting regression technique, where the goal is to predict a single numeric value. Compared to existing library implementations of gradient boosting regression, a from-scratch implementation allows much easier customization and integration with other .NET systems.