private void dologinBtn_Click(object sender, RoutedEventArgs e)
        {
            if (userNameTxtbox.Text.Equals("") && userNameTxtbox.Text.Equals(""))
            {
                TeacherBtn.IsEnabled    = true;
                StudentsBtn.IsEnabled   = true;
                admissionBtn.IsEnabled  = true;
                AttendanceBtn.IsEnabled = true;
                settingsBtn.IsEnabled   = true;
                noticeBtn.IsEnabled     = true;
                helpBtn.IsEnabled       = true;
                logoutBtn.Visibility    = Visibility.Visible;
                loginBtn.Visibility     = Visibility.Collapsed;
                SMSUI.Attendance Attendanceobj = new SMSUI.Attendance();

                mainUniGrid.Children.Clear();
                mainUniGrid.Children.Add(Attendanceobj);
                userNameTxtbox.Text = "";
                userNameTxtbox.Text = "";
            }
            else
            {
                MessageBox.Show("Enter correct Info");
            }
        }
        private void Attendance_Click(object sender, RoutedEventArgs e)
        {
            SMSUI.Attendance Attendanceobj = new SMSUI.Attendance();

            mainUniGrid.Children.Clear();
            mainUniGrid.Children.Add(Attendanceobj);
        }
        private void Attendance_Click(object sender, RoutedEventArgs e)
        {
            SMSUI.Attendance Attendanceobj = new SMSUI.Attendance();

            mainUniGrid.Children.Clear();
            mainUniGrid.Children.Add(Attendanceobj);
        }
        private void dologinBtn_Click(object sender, RoutedEventArgs e)
        {
            if (userNameTxtbox.Text.Equals("") && userNameTxtbox.Text.Equals(""))
            {
                TeacherBtn.IsEnabled = true;
                StudentsBtn.IsEnabled = true;
                admissionBtn.IsEnabled = true;
                AttendanceBtn.IsEnabled = true;
                settingsBtn.IsEnabled = true;
                noticeBtn.IsEnabled = true;
                helpBtn.IsEnabled = true;
                logoutBtn.Visibility = Visibility.Visible;
                loginBtn.Visibility = Visibility.Collapsed;
                SMSUI.Attendance Attendanceobj = new SMSUI.Attendance();

                mainUniGrid.Children.Clear();
                mainUniGrid.Children.Add(Attendanceobj);
                userNameTxtbox.Text = "";
                userNameTxtbox.Text ="";
            }
            else
                MessageBox.Show("Enter correct Info");
        }