public bool Update(Conversation instance)
{
if (instance == null)
throw new ArgumentNullException("instance");
var conversation = Get(instance.Id);
if (conversation == null)
return false;
_database.Entry(conversation).CurrentValues.SetValues(instance);
_database.SaveChanges();
return true;
}
public Conversation Add(Conversation instance)
{
throw new NotImplementedException();
}