private void button_Delete_Click(object sender, EventArgs e)
{
foreach (DataGridViewRow row in dataGridView1.SelectedRows)
{
int CurrentRow = row.Index;
// //получить значение id выбранной строки
int valueId = Convert.ToInt32(dataGridView1[0, CurrentRow].Value);
Intensiv2018Entities context = new Intensiv2018Entities();
List <User_Track_Playlist> user_Track_Playlists = context.User_Track_Playlist.Where(a => a.playlist_id == valueId).ToList();
List <Track> tracks = new List <Track>();
foreach (User_Track_Playlist temp in user_Track_Playlists)
{
tracks.Add(context.Tracks1.Where(a => a.id == temp.track_id).FirstOrDefault());
}
List <User_Track> list = new List <User_Track>();
foreach (Track track in tracks)
{
User_Track user = context.User_Track.Where(a => a.track_id == track.id).FirstOrDefault();
list.Add(context.User_Track.Where(a => a.track_id == track.id).FirstOrDefault());
}
functions.PlaylistEdit("Удалить", valueId, list);
}
RefreshDGV();
}
private void button_Save_Click(object sender, EventArgs e)
{
if (textBox_Title_Playlist.Text != "")
{
if (dataGridView1.DataSource != null)
{
TimeSpan full_duration = new TimeSpan(); //заглушка
DatabaseFunctions functions = new DatabaseFunctions();
functions.PlaylistEdit(command, list_id, user_Tracks, author, surname, name, textBox_Title_Playlist.Text, full_duration);
}
else
{
MessageBox.Show("В данном плейлисте отсутствуют композиции");
}
}
else
{
MessageBox.Show("Введите название плейлиста");
}
}