public void LoadBill()
        {
            loadBillData.LoadBillFromDb();

            foreach (var popBill in loadBillData.pubBillCollect)
            {
                lblTotalTuitionContainer.Text     = popBill.Bill_TotalAmount.ToString();
                lblDiscountContainer.Text         = $"{popBill.Bill_Discount.ToString()}%";
                lblTotalBalanceContainer.Text     = popBill.Bill_Balance.ToString();
                lblTotalPaymentMadeContainer.Text = popBill.Bill_PaymentMade.ToString();
                lblTuitionDueDateContainer.Text   = popBill.Bill_DueDate.ToString();
            }
        }
        private void LoadStudents()
        {
            loadStudentData.LoadStudentsFromDb();
            loadBillData.LoadBillFromDb();

            foreach (var popStudents in loadStudentData.pubStudentCollect)
            {
                lblStudentNumberContainer.Text = popStudents.Std_Id.ToString();
                char middleName = popStudents.Std_MName.ToString().FirstOrDefault();
                lblStudentNameContainer.Text = $"{popStudents.Std_FName.ToString()} {middleName}. {popStudents.Std_LName}";
                lblCourseCodeContainer.Text  = popStudents.Std_CourseCode.ToString();
                lblYearContainer.Text        = popStudents.Std_Year.ToString();
                lblSectionContainer.Text     = popStudents.Std_Section.ToString();
            }
            foreach (var popBill in loadBillData.pubBillCollect)
            {
                lblSemesterContainer.Text   = popBill.Bill_Semester.ToString();
                lblSchoolYearContainer.Text = popBill.Bill_SchoolYear.ToString();
            }
        }