public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Genre).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!GenreExists(Genre.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(string[] selectedGenres)
{
var newAlbum = new Album();
if (selectedGenres != null)
{
newAlbum.AlbumGenres = new List <AlbumGenre>();
foreach (var gen in selectedGenres)
{
var genToAdd = new AlbumGenre
{
GenreID = int.Parse(gen)
};
newAlbum.AlbumGenres.Add(genToAdd);
}
}
if (await TryUpdateModelAsync <Album>(
newAlbum,
"Album",
i => i.Title, i => i.Singer,
i => i.Price, i => i.ReleaseDate, i => i.RecordLabelID))
{
_context.Album.Add(newAlbum);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
PopulateAssignedGenreData(_context, newAlbum);
return(Page());
}
public async Task <IActionResult> OnPostAsync(int?id, string[] selectedGenres)
{
if (id == null)
{
return(NotFound());
}
var albumToUpdate = await _context.Album
.Include(i => i.RecordLabel)
.Include(i => i.AlbumGenres)
.ThenInclude(i => i.Genre)
.FirstOrDefaultAsync(s => s.ID == id);
if (albumToUpdate == null)
{
return(NotFound());
}
if (await TryUpdateModelAsync <Album>(albumToUpdate,
"Album",
i => i.Title, i => i.Singer,
i => i.Price, i => i.ReleaseDate, i => i.RecordLabel))
{
UpdateAlbumGenres(_context, selectedGenres, albumToUpdate);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
UpdateAlbumGenres(_context, selectedGenres, albumToUpdate);
PopulateAssignedGenreData(_context, albumToUpdate);
return(Page());
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Genre.Add(Genre);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Album = await _context.Album.FindAsync(id);
if (Album != null)
{
_context.Album.Remove(Album);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
RecordLabel = await _context.RecordLabel.FindAsync(id);
if (RecordLabel != null)
{
_context.RecordLabel.Remove(RecordLabel);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}