public bool AddAuthor(Author v)
{
db.Authors.Add(v);
if (!Save())
{
return false;
}
return true;
}
public bool RemoveAuthor(Author v)
{
if (!db.Authors.Local.Contains(v))
{
db.Authors.Attach(v);
}
db.Authors.Remove(v);
if (!Save())
{
return false;
}
return true;
}
public bool UpdateAuthor(Author v)
{
if (!db.Authors.Local.Contains(v))
{
db.Authors.Attach(v);
}
db.Entry<Author>(v).State = EntityState.Modified;
if (!Save())
{
return false;
}
return true;
}