//Event for deleting tracks in DatagridView.
private void daGrTracks_UserDeletingRow(object sender, DataGridViewRowCancelEventArgs e)
{
if (e.Row.Tag is Track track)
{
var result = MessageBox.Show($"Do you want to delete '{track.Name}'" +
$" from '{track.Album.Title}'?",
"Delete Track?",
MessageBoxButtons.OKCancel);
if (result == DialogResult.OK)
{
db.Remove(track);
db.SaveChanges();
MessageBox.Show("Track successfully removed!");
tbTrackMin.Clear();
tbTrackTitle.Clear();
}
}
}
private void twAddAlbums_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Delete)
{
if (twAddAlbums.SelectedNode.Tag is Artist artist)
{
var result = MessageBox.Show(
$"Are you sure you want to delete artist '{artist.Name}'?\n" +
$"This will also delete ALL the Albums and Tracks from that artist!",
"Delete Artist",
MessageBoxButtons.OKCancel
);
if (result == DialogResult.OK)
{
if (artist.Albums.Count != 0)
{
foreach (Album album in artist.Albums)
{
if (album.Tracks.Count != 0)
{
var tracksToRemove = db.Tracks.Where(t => t.AlbumId == album.AlbumId).ToList();
db.RemoveRange(tracksToRemove);
}
}
var albumsToRemove = db.Albums.Where(a => a.ArtistId == artist.ArtistId).ToList();
db.RemoveRange(albumsToRemove);
}
db.Remove(artist);
twAddAlbums.Nodes.Remove(twAddAlbums.SelectedNode);
db.SaveChanges();
}
}
}
}
