namespace DualScreenDemo { public partial class PrimaryForm { private void RiYuButtonNewSong_Click(object sender, EventArgs e) { guoYuButtonNewSong.BackgroundImage = guoYuNewSongNormalBackground; taiYuButtonNewSong.BackgroundImage = taiYuNewSongNormalBackground; yueYuButtonNewSong.BackgroundImage = yueYuNewSongNormalBackground; yingWenButtonNewSong.BackgroundImage = yingWenNewSongNormalBackground; riYuButtonNewSong.BackgroundImage = riYuNewSongActiveBackground; hanYuButtonNewSong.BackgroundImage = hanYuNewSongNormalBackground; int songLimit = ReadNewSongLimit(); /*riYuSongs2 = allSongs.Where(song => song.Category == "日語") .OrderByDescending(song => song.AddedTime) .Take(songLimit) .ToList();*/ string query = setQueryforNewSong("日語"); var riYuSongs2 = SearchSongs_Mysql(query); currentPage = 0; currentSongList = riYuSongs2; totalPages = (int)Math.Ceiling((double)riYuSongs2.Count / itemsPerPage); multiPagePanel.currentPageIndex = 0; multiPagePanel.LoadSongs(currentSongList); } } }