private void BtnBack_Click(object sender, EventArgs e)
{
if (studentnav != null)
{
studentnav.Show();
this.Close();
}
else if (teachernav != null)
{
teachernav.Show();
this.Close();
}
}
private void BtnLogin_Click(object sender, EventArgs e)
{
try
{
using (SampleDataContext db = new SampleDataContext())
{
if (va.ValidateEmpty() == false)
{
return;
}
user = db.Users.Where(u => u.username == TbxUsername.Text && u.password == TbxPassword.Text)
.FirstOrDefault();
if (user != null)
{
if (CheckStudent() == true)
{
FrStudentNav studentnav = new FrStudentNav(student);
studentnav.Show();
this.Hide();
}
else if (CheckTeacner() == true)
{
FrTeacherNav teachernav = new FrTeacherNav(this.teacher);
teachernav.Show();
this.Hide();
}
}
else if (TbxUsername.Text == "admin" && TbxPassword.Text == "admin")
{
FrAdminNav adminnav = new FrAdminNav();
adminnav.Show();
this.Hide();
}
else
{
GlobalUse.GetErrorMessage("Wrong username or password!");
va.Clear();
}
}
}
catch (Exception ex)
{
GlobalUse.GetErrorMessage("Error ! " + ex.Message);
}
}
private void BtnCancel_Click(object sender, EventArgs e)
{
if (student != null)
{
studentnav.student = this.student;
studentnav.Show();
if (change != null)
{
change.Close();
}
this.Close();
}
else if (teacher != null)
{
teachernav.teacher = this.teacher;
teachernav.Show();
if (change != null)
{
change.Close();
}
this.Close();
}
}
