private void DeleteGroup()
{
foreach (var band in bands)
{
band.Print();
Console.WriteLine();
}
Console.WriteLine("Enter group name: ");
string groupName = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(groupName))
{
if (bands.Contains(bands.Where(band => band.Name.ToUpper() == groupName.ToUpper()).FirstOrDefault()))
{
using (var context = new MusicContext())
{
var bandToDelete = context.Bands.Where(band => band.Name.ToUpper() == groupName.ToUpper()).FirstOrDefault();
context.Entry(bandToDelete).Collection(s => s.Songs).Load();
context.Bands.Remove(bandToDelete);
context.SaveChanges();
}
}
else
{
Console.WriteLine("There is no such group!");
}
}
else
{
Console.WriteLine("Empty line!");
}
}
