private void print_btn_Click(object sender, EventArgs e)
        {
            DataToPDF dbToPDF = new DataToPDF();

            if (getValue.Equals("Raport"))
            {
                string kode_kelas = kelas_combo.SelectedValue.ToString();
                string semester   = semester_combo.SelectedValue.ToString();
                dbToPDF.passTahun    = getTahun;
                dbToPDF.passKode     = kode_kelas;
                dbToPDF.passSemester = semester;
                dbToPDF.passValue    = "PrintRaport";
                dbToPDF.RaportKelasToPDF();
                string print = dbToPDF.getFormat.ToString();
                db.SendToPrinter(print);
                this.Close();
            }
            else if (getValue.Equals("Format"))
            {
                dbToPDF.passTahun = getTahun;
                dbToPDF.passValue = "PrintFormat";
                dbToPDF.FormatNilaiPDF();
                string print = dbToPDF.getFormat.ToString();
                db.SendToPrinter(print);
                this.Close();
            }
        }
        private void saveAs_btn_Click(object sender, EventArgs e)
        {
            DataToPDF   dbToPDF   = new DataToPDF();
            DataToExcel dbToExcel = new DataToExcel();

            if (getValue.Equals("Raport"))
            {
                string kode_kelas = kelas_combo.SelectedValue.ToString();
                string semester   = semester_combo.SelectedValue.ToString();
                dbToPDF.passTahun    = getTahun;
                dbToPDF.passKode     = kode_kelas;
                dbToPDF.passSemester = semester;
                dbToPDF.passValue    = "SaveAsRaport";
                dbToPDF.RaportKelasToPDF();
                db.BrowserDialog(fbDialog, "Data Nilai");
                this.Close();
            }
            else if (getValue.Equals("Nilai"))
            {
                string kodeKelas = kelas_combo.SelectedValue.ToString();
                string semester  = semester_combo.SelectedValue.ToString();
                dbToExcel.passTahun = getTahun;
                dbToExcel.NilaiToExcel("Tidak Aktif", kodeKelas, semester);
                db.BrowserDialog(fbDialog, "Data Nilai");
                this.Close();
            }
            else if (getValue.Equals("Format"))
            {
                dbToPDF.passTahun = getTahun;
                dbToPDF.passValue = "SaveAsFormat";
                dbToPDF.FormatNilaiPDF();
                db.BrowserDialog(fbDialog, "SaveAs");
                this.Close();
            }
        }