private void ManHinhChucNangChoMuonSach_Load(object sender, EventArgs e)
        {
            LoadMaPhieuMuon();
            QuanLyPhieuMuonBUS BUS       = new QuanLyPhieuMuonBUS();
            DataTable          dtQuyDinh = BUS.LayQuyDinh();

            txtMaDG.AutoCompleteSource = AutoCompleteSource.CustomSource;
            txtMaDG.AutoCompleteMode   = AutoCompleteMode.Suggest;
            AutoCompleteStringCollection collection = new AutoCompleteStringCollection();
            DataTable dtDsDG = LoadDsDG();

            collection = LoadSuggestTextBox(dtDsDG);
            txtMaDG.AutoCompleteCustomSource = collection;
            MaxSach     = int.Parse(dtQuyDinh.Rows[0]["SoSachMuonToiDa"].ToString());
            MaxNgayMuon = int.Parse(dtQuyDinh.Rows[0]["SoNgayMuonToiDa"].ToString());
        }
        private void ManHinhChucNangNhanTraSach_Load(object sender, EventArgs e)
        {
            LoadMaPhieuTra();
            txtMaDG.Focus();
            QuanLyPhieuMuonBUS BUSPM     = new QuanLyPhieuMuonBUS();
            DataTable          dtQuyDinh = BUSPM.LayQuyDinh();

            txtMaDG.AutoCompleteSource = AutoCompleteSource.CustomSource;
            txtMaDG.AutoCompleteMode   = AutoCompleteMode.Suggest;
            AutoCompleteStringCollection collection = new AutoCompleteStringCollection();
            DataTable dtDsDG = LoadDsDG();

            collection = LoadSuggestTextBox(dtDsDG);
            txtMaDG.AutoCompleteCustomSource = collection;
            soNgayMuonQuyDinh    = int.Parse(dtQuyDinh.Rows[0]["SoNgayMuonToiDa"].ToString());
            SoTienPhatQuyDinh    = float.Parse(dtQuyDinh.Rows[0]["TienPhatTraTre"].ToString());
            dtgrPhieuTra.Enabled = false;
        }