private void btnDelete_Click(object sender, EventArgs e)
{
if (gridCourses.SelectedRows[0] == null)
{
MessageBox.Show("Alegeti materia pe care doriti sa o stergeti.", "Atentie", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
DataGridViewRow rowTeacher = gridTeachers.SelectedRows[0];
DataGridViewRow rowCourse = gridCourses.SelectedRows[0];
DialogResult result = MessageBox.Show("Sunteti sigur ca doriti sa stergeti " + rowCourse.Cells["CourseName"].Value.ToString() + " din lista de materii predate de " + rowTeacher.Cells["TeacherName"].Value.ToString() + " " + rowTeacher.Cells["TeacherSurname"].Value.ToString() + "?", "Confirmare", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
BLAdmin bl = new BLAdmin();
bl.DeleteTeacherCourse(Convert.ToInt32(rowTeacher.Cells["TeacherId"].Value), Convert.ToInt32(rowCourse.Cells["CourseId"].Value));
MessageBox.Show("Cursul a fost sters cu succes!", "Succes", MessageBoxButtons.OK, MessageBoxIcon.Information);
gridCourses.DataSource = bl.GetCourses(Convert.ToInt32(rowTeacher.Cells["TeacherId"].Value));
DataTable tableCourses = bl.GetListOfCourses(Convert.ToInt32(rowTeacher.Cells["TeacherId"].Value));
comboBoxCourses.ValueMember = "CourseId";
comboBoxCourses.DisplayMember = "CourseName";
comboBoxCourses.DataSource = tableCourses;
comboBoxCourses.SelectedItem = null;
}
else
{
return;
}
}
}