示例#1
0
        // Create a new student with input from the user
        private void NewStudent_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                // Use the StudentDialog to get the details of the student from the user
                StudentDialog sd = new StudentDialog();

                // Display the form and get the details of the new student
                if (sd.ShowDialog().Value)
                {
                    // When the user closes the form, retrieve the details of the student from the form
                    // and use them to create a new Student object
                    Student newStudent = new Student();
                    newStudent.FirstName = sd.firstName.Text;
                    newStudent.LastName  = sd.lastName.Text;
                    newStudent.Password  = sd.password.Text;

                    // Generate the UserName property - lastname with the initial letter of the first name all converted to lowercase
                    newStudent.UserName = (newStudent.LastName + newStudent.FirstName.Substring(0, 1)).ToLower();

                    // Generate a unique ID for the user: Use the maximum StudentID in the Students collection and add 1
                    newStudent.StudentID = (from s in DataSource.Students
                                            select s.StudentID).Max() + 1;

                    // Add the student to the Students collection
                    DataSource.Students.Add(newStudent);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error creating new student", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }
示例#2
0
        // Create a new student with input from the user
        private void NewStudent_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                // Use the StudentDialog to get the details of the student from the user
                StudentDialog sd = new StudentDialog();

                // Display the form and get the details of the new student
                if (sd.ShowDialog().Value)
                {
                    // When the user closes the form, retrieve the details of the student from the form
                    // and use them to create a new Student object
                    Grades.DataModel.Student newStudent = new Grades.DataModel.Student();
                    newStudent.FirstName = sd.firstName.Text;
                    newStudent.LastName  = sd.lastName.Text;
                    newStudent.User      = new User();
                    if (!newStudent.User.SetPassword(Role.Student, sd.password.Text))
                    {
                        throw new Exception("Password must be at least 6 characters long. Student not created");
                    }

                    // Generate the UserName property - lastname with the initial letter of the first name all converted to lowercase
                    newStudent.User.UserName = (newStudent.LastName + newStudent.FirstName.Substring(0, 1)).ToLower();

                    // Generate a unique ID for the user
                    newStudent.UserId = Guid.NewGuid();

                    // Assign a value for the ImageName field
                    newStudent.ImageName = "No photo";

                    // Generate default values for remaining properties of user object
                    newStudent.User.ApplicationId    = (from Grades.DataModel.User u in SessionContext.DBContext.Users select u.ApplicationId).FirstOrDefault();
                    newStudent.User.IsAnonymous      = false;
                    newStudent.User.LastActivityDate = DateTime.Now;
                    newStudent.User.UserId           = newStudent.UserId;

                    // Add the student to the Students collection
                    // TODO: Exercise 2: Task 2i: Use the AddToStudents method to add a new student
                    SessionContext.DBContext.AddToStudents(newStudent);
                    SessionContext.Save();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error creating new student", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }
        private void ButtonEdit_Click(object sender, RoutedEventArgs e)
        {
            Student studentEdit = studentGrd.SelectedItem as Student;

            if (studentEdit == null)
            {
                return;
            }
            StudentDialog studentDialog = new StudentDialog(new Student(studentEdit))
            {
                Title = "Editar Funcionário"
            };

            if (studentDialog.ShowDialog() == true)
            {
                DbContextHelper.EditStudent(_db, studentDialog.Student);
            }
        }