public void AddPublisher(publisher newPublisher)
{
using (var dbModel = new LMSDataModelEntities())
{
dbModel.publishers.AddObject(newPublisher);
dbModel.ObjectStateManager.ChangeObjectState(newPublisher, System.Data.EntityState.Added);
var savecount = dbModel.SaveChanges();
if (savecount < 1)
{
throw new Exception("Fail to insert Publisher " + newPublisher.Name + " into DB");
}
}
}
private void Fixuppublisher(publisher previousValue)
{
if (previousValue != null && previousValue.books.Contains(this))
{
previousValue.books.Remove(this);
}
if (publisher != null)
{
if (!publisher.books.Contains(this))
{
publisher.books.Add(this);
}
if (PublisherID != publisher.Id)
{
PublisherID = publisher.Id;
}
}
}