static void QueryingCustomTypes()
{
List <MusicalArtist> artistsDataSource = Program5.GetMusicalArtists();
IEnumerable <MusicalArtist> artistsResult =
from artist in artistsDataSource
select artist;
Console.WriteLine("\nQuerying Custom Types");
Console.WriteLine("---------------------\n");
foreach (MusicalArtist artist in artistsResult)
{
Console.WriteLine(
"Name: {0}\nGenre: {1}\nLatest Hit: {2}\n",
artist.Name,
artist.Genre,
artist.LatestHit);
}
}
static void CreatingCustomProjectionsWithTheDataSourceType()
{
List <MusicalArtist> artistsDataSource = Program5.GetMusicalArtists();
IEnumerable <MusicalArtist> artistsResult =
from artist in artistsDataSource
select new MusicalArtist
{
Name = artist.Name,
LatestHit = artist.LatestHit
};
Console.WriteLine("\nCustom Projection With Data Source Type");
Console.WriteLine("---------------------------------------\n");
foreach (MusicalArtist artist in artistsResult)
{
Console.WriteLine(
"Name: {0}\nLatest Hit: {1}\n",
artist.Name,
artist.LatestHit);
}
}
private static void ProjectingAnonymousTypes()
{
List <MusicalArtist> artistsDataSource = Program5.GetMusicalArtists();
var artistsResult =
from artist in artistsDataSource
select new
{
Name = artist.Name,
NumberOfAlbums = artist.Albums.Count
};
Console.WriteLine("\nProjecting Anonymous Types");
Console.WriteLine("--------------------------\n");
foreach (var artist in artistsResult)
{
Console.WriteLine(
"Artist Name: {0}\nNumber of Albums: {1}\n",
artist.Name,
artist.NumberOfAlbums);
}
}
static void CreatingCustomProjectionsOnDifferentType()
{
List <MusicalArtist> artistsDataSource = Program5.GetMusicalArtists();
IEnumerable <ArtistViewModel> artistsResult =
from artist in artistsDataSource
select new ArtistViewModel
{
ArtistName = artist.Name,
Song = artist.LatestHit
};
Console.WriteLine("\nCustom Projection On a Different Type");
Console.WriteLine("-------------------------------------\n");
foreach (ArtistViewModel artist in artistsResult)
{
Console.WriteLine(
"Artist Name: {0}\nSong: {1}\n",
artist.ArtistName,
artist.Song);
}
}
