private void UpdateStudentDropdown()
{
cmbStudents.Items.Clear();
foreach (var stu in P110.GetStudents())
{
cmbStudents.Items.Add(stu.Id + " - " + stu.Fullname);
}
}
private void cmbStudents_SelectedIndexChanged(object sender, EventArgs e)
{
string selectedStudentId = cmbStudents.Text.Substring(0, 4);
StudentToUpdate = P110.GetStudentById(selectedStudentId);
if (StudentToUpdate != null)
{
txtFirstname.Text = StudentToUpdate.Firstname;
txtLastname.Text = StudentToUpdate.Lastname;
txtEmail.Text = StudentToUpdate.Email;
dtBirthdate.Value = StudentToUpdate.Birthdate;
pnlEdit.Visible = true;
}
}
private void btnCreate_Click(object sender, EventArgs e)
{
string firstname = txtFirstname.Text.Trim();
string lastname = txtLastname.Text.Trim();
string email = txtEmail.Text.Trim();
DateTime birthdate = dtBirthdate.Value;
//Firstname and lastname validation
if (firstname == string.Empty)
{
MessageBox.Show("Firstname is empty", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (lastname == string.Empty)
{
MessageBox.Show("Lastname is empty", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//Email validation
try
{
MailAddress mail = new MailAddress(email);
}
catch (Exception ex)
{
MessageBox.Show("Email is not valid", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//Validation is OK, Create Student and Add student
Student student = new Student
{
Firstname = firstname,
Lastname = lastname,
Email = email,
Birthdate = birthdate
};
P110.AddStudent(student);
ResetAddStudentControls();
//update DataGridView to show new Student
dgwStudents.DataSource = null;
dgwStudents.DataSource = P110.GetStudents();
}
private void Dashboard_Load(object sender, EventArgs e)
{
#region Update Maximum Date of birthdate
var today = DateTime.Now.AddDays(1);
dtBirthdate.MaxDate = today;
#endregion
#region Filling listBoxControl with Students
//foreach (var stu in P110.GetStudents())
//{
// lbStudent2.Items.Add(stu);
//}
//lbStudent2.DataSource = P110.GetStudents();
//lbStudent2.DisplayMember = "Email";
#endregion
dgwStudents.DataSource = P110.GetStudents();
}
private void btnDelete_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("Are You sure to delete student?", "Confirmation!", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
string selectedStudentId = cmbStudents.Text.Substring(0, 4);
if (P110.DeleteStudentById(selectedStudentId))
{
UpdateStudentDropdown();
}
else
{
MessageBox.Show("Not found");
}
}
}
private void UpdateDatagridWhenFormClosed(object sender, EventArgs e)
{
dgwStudents.DataSource = null;
dgwStudents.DataSource = P110.GetStudents();
}
