private void btnSave_Click(object sender, EventArgs e)
{
_student.FirstName = txtFirstName.Text;
_student.LastName = txtLastName.Text;
_student.Email = txtEmail.Text;
_student.Telephone = txtTelephone.Text;
_student.Birthday = dteBirthday.Value;
StudentManager.Update(_student);
}
private void btnDeleteStudent_Click(object sender, EventArgs e)
{
if (lstStudents.SelectedItems.Count == 0)
{
return;
}
var selectedItem = lstStudents.SelectedItems[0];
StudentManager.Delete((selectedItem.Tag as Student).Id);
lstStudents.Items.Remove(selectedItem);
ReloadCourses();
}
private void ReloadStudents()
{
lstStudents.Items.Clear();
foreach (var student in StudentManager.GetAll())
{
var studentItem = new ListViewItem {
Text = student.Id.ToString(), Tag = student
};
studentItem.SubItems.Add(student.FirstName);
studentItem.SubItems.Add(student.LastName);
studentItem.SubItems.Add(student.Email);
studentItem.SubItems.Add(student.Telephone);
studentItem.SubItems.Add(student.Birthday.ToShortDateString());
lstStudents.Items.Add(studentItem);
}
}
private void btnExportStudents_Click(object sender, EventArgs e)
{
string fileName = "Students.txt";
string seperator = "===========================================================================================";
var students = StudentManager.GetAll();
using (var writer = new StreamWriter(fileName, false))
{
for (int i = 0; i < students.Length; i++)
{
if (i > 1)
{
writer.WriteLine(seperator);
}
writer.WriteLine(students[i].GetInfoText());
}
}
MessageBox.Show($"Exported all students info to file {fileName}", "Exported Students Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btnDeleteStudent_Click(object sender, EventArgs e)
{
StudentManager.Delete(_student.Id);
Close();
}
public StudentForm(int studentId)
{
InitializeComponent();
_student = StudentManager.Get(studentId);
}
