superstar_v2/PrimaryFormParts/HotSong/PrimaryForm.HotSongMandarinNew.cs

namespace DualScreenDemo
{
    public partial class PrimaryForm
    {
        private void GuoYuNewSongButtonHotSong_Click(object sender, EventArgs e)
        {
            // 重置其他按钮背景
            UpdateHotSongButtons(guoYuNewSongButtonHotSong, guoYuNewSongHotSongActiveBackground);

            int songLimit = ReadHotSongLimit(); 
            
            string query = $"SELECT * FROM SongLibrary WHERE `語別` = '國語' ORDER BY `新增日期` DESC ,`點播次數` DESC LIMIT {songLimit}";
            var selectedSongs = PrimaryForm.Instance.SearchSongs_Mysql(query);

            currentPage = 0; 
            currentSongList = selectedSongs; 
            totalPages = (int)Math.Ceiling((double)selectedSongs.Count / itemsPerPage);

            multiPagePanel.currentPageIndex = 0;
            multiPagePanel.LoadSongs(currentSongList);
        }
    }
}