private void btn_task_Click(object sender, EventArgs e)
{
TaskPanel2 task = new TaskPanel2(teacher);
List <Group> groups = db.Groups.Where(g => g.group_techer_id == teacher.id).ToList();
List <Student> students = db.Students.Where(s => s.Group.group_techer_id == teacher.id).ToList();
task.Fill_cmb(groups, students);
task.ShowDialog();
}
private void button6_Click(object sender, EventArgs e)
{
TaskPanel2 tasks = new TaskPanel2();
tasks.ShowDialog();
}
