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/.