private void StudentForm_Load(object sender, EventArgs e)
{
Text = $"Student {_student.Id}";
dteBirthday.MaxDate = DateTime.Now;
dteBirthday.MinDate = DateTime.MinValue;
cbxCourses.Items.AddRange(CourseManager.GetAll());
lblId.Text = _student.Id.ToString();
txtFirstName.Text = _student.FirstName;
txtLastName.Text = _student.LastName;
txtTelephone.Text = _student.Telephone;
txtEmail.Text = _student.Email;
dteBirthday.Value = _student.Birthday;
foreach (var grade in _student.Grades.Values)
{
var gradeItem = new ListViewItem()
{
Tag = grade
};
gradeItem.SubItems.AddRange(new string[6] {
"", "", "", "", "", ""
});
UpdateGradeItem(gradeItem);
lstCourses.Items.Add(gradeItem);
}
UpdateInfo();
}
private void btnexportCourses_Click(object sender, EventArgs e)
{
string fileName = "Courses.txt";
string seperator = "===========================================================================================";
var courses = CourseManager.GetAll();
using (var writer = new StreamWriter(fileName, false))
{
for (int i = 0; i < courses.Length; i++)
{
if (i > 1)
{
writer.WriteLine(seperator);
}
writer.WriteLine(courses[i].GetInfoText());
}
}
MessageBox.Show($"Exported all courses info to file {fileName}", "Exported Courses Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void ReloadCourses()
{
lstCourses.Items.Clear();
foreach (var course in CourseManager.GetAll())
{
var stat = CourseManager.GetStatistics(course.Id);
var courseItem = new ListViewItem {
Text = course.Id.ToString(), Tag = course
};
courseItem.SubItems.Add(course.Name);
courseItem.SubItems.Add(stat.NumberOfEnrolledStudents.ToString());
courseItem.SubItems.Add(stat.NumberOfPassedStudents.ToString());
courseItem.SubItems.Add(stat.NumberOfFailedStudents.ToString());
courseItem.SubItems.Add(stat.LowestGrade.ToString());
courseItem.SubItems.Add(stat.HighestGrade.ToString());
lstCourses.Items.Add(courseItem);
}
}