public void Refresh()
{
Clear();
var artists = (from i in _dbref.FindAll()
orderby i.Artist ascending
select i.Artist).Distinct();
Artists.AddRange(artists);
var albums = (from i in _dbref.FindAll()
orderby i.Album ascending
select i.Album).Distinct();
Albums.AddRange(albums);
var geneires = (from i in _dbref.FindAll()
orderby i.Generire ascending
select i.Generire).Distinct();
Geneires.AddRange(geneires);
var years = (from i in _dbref.FindAll()
orderby i.Year ascending
select i.Year).Distinct();
Years.AddRange(years);
}
public void RestoreFrom(Cache ci)
{
Clear();
Albums.AddRange(ci.Albums);
Artists.AddRange(ci.Artists);
Years.AddRange(ci.Years);
Geneires.AddRange(ci.Geneires);
}