Integrating Validation with the Entity Framework: Listing 5.

Adding methods to listing controls.

NorthwindModel dbc = new NorthwindModel(...connection string...);
  // ...perform updates...
try
{
  dbc.SaveChanges();
}
catch (Entity.Validation.DbEntityValidationException ex)
{
  foreach (var vr in ex.EntityValidationErrors)
  {
    foreach (var er in vr.ValidationErrors)
    {
      this.ErrorDisplay.Items.Add(String.Format(
        "{0}: {1}",
        er.PropertyName, er.ErrorMessage));
    }
  }
}

About the Author

Peter Vogel is a system architect and principal in PH&V Information Services. PH&V provides full-stack consulting from UX design through object modeling to database design. Peter tweets about his VSM columns with the hashtag #vogelarticles. His blog posts on user experience design can be found at http://blog.learningtree.com/tag/ui/.