namespace DualScreenDemo { public partial class PrimaryForm { private void GroupYingWenButton_Click(object sender, EventArgs e) { groupGuoYuButton.BackgroundImage = groupGuoYuNormalBackground; groupTaiYuButton.BackgroundImage = groupTaiYuNormalBackground; groupYueYuButton.BackgroundImage = groupYueYuNormalBackground; groupYingWenButton.BackgroundImage = groupYingWenActiveBackground; groupRiYuButton.BackgroundImage = groupRiYuNormalBackground; groupHanYuButton.BackgroundImage = groupHanYuNormalBackground; /*yingWenSongs = allSongs.Where(song => song.Category == "英文" && (song.ArtistACategory == "團" || song.ArtistBCategory == "團")) .OrderByDescending(song => song.Plays) .ToList();*/ String query = "SELECT * FROM SongLibrary WHERE `語別` = '英文' AND (`歌星A分類` = '團' OR `歌星B分類` = '團') ORDER BY `點播次數` DESC"; var yingWenSongs = SearchSongs_Mysql(query); currentPage = 0; currentSongList = yingWenSongs; totalPages = (int)Math.Ceiling((double)yingWenSongs.Count / itemsPerPage); multiPagePanel.currentPageIndex = 0; multiPagePanel.LoadSongs(currentSongList); } } }