private void Button_DONE(object sender, RoutedEventArgs e)
        {
            AdmissionStudentIntImplementation a = new AdmissionStudentIntImplementation();

            DAL.Admission_Student std = new DAL.Admission_Student();

            std.First_Name        = fistName.Text;
            std.Last_Name         = lastName.Text;
            std.Full_Name         = fullName.Text;
            std.Fathers_Name      = fathersName.Text;
            std.Mothers_Name      = mothersName.Text;
            std.Gender            = gender.Text;
            std.Blood_Group       = bloodGroup.Text;
            std.DOB               = DateTime.Parse(dobDatePicker.ToString());
            std.Religion          = religionList.Items.GetItemAt(0).ToString();
            std.Admission_Session = admissionSession.Text;
            std.Group             = group.Text;
            std.Mobile            = guardianNumber.Text;
            std.Current_School    = currentSchool.Text;
            std.Current_Grade     = currentGrade.Text;
            std.Interested_Grade  = registeredGrade.Text;
            std.Address           = address.Text;
            std.Country           = country.Text;

            a.addAdmissionStudent(std);

            Admission admission = new Admission();

            admission.Show();
            this.Close();
        }
        private void Cancel_Button_Click(object sender, RoutedEventArgs e)
        {
            Admission ad = new Admission();

            ad.Show();
            this.Close();
        }
        private void Button_Back(object sender, RoutedEventArgs e)
        {
            Admission admission = new Admission();

            admission.Show();
            this.Close();
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
            Admission a = new Admission();

            a.Show();
        }
        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            AdmissionStudentIntImplementation a = new AdmissionStudentIntImplementation();

            a.setVivaResult(achievedMark.Text, Login.getID(), id.Text);

            Admission admission = new Admission();

            admission.Show();
            this.Close();
        }