private void btnGTSDelete_Click(object sender, EventArgs e)
{
if (dataGridView1.CurrentRow != null)
{
int grId = Int32.Parse(dataGridView1.Rows[dataGridView1.CurrentRow.Index].Cells[0].Value.ToString());
int subjId = Int32.Parse(dataGridView1.Rows[dataGridView1.CurrentRow.Index].Cells[1].Value.ToString());
GroupToSubject current = context.GroupsToSubjects.Find(grId, subjId);
context.GroupsToSubjects.Remove(current);
context.SaveChanges();
btnGroupToSubject.PerformClick();
}
}
private void btnGTSCreate_Click(object sender, EventArgs e)
{
int groupId = Int32.Parse(comboGTSGroup.SelectedValue.ToString());
int subjId = Int32.Parse(comboGTSSubj.SelectedValue.ToString());
GroupToSubject gts = new GroupToSubject();
gts.GroupId = groupId;
gts.SubjectId = subjId;
try
{
context.GroupsToSubjects.Add(gts);
context.SaveChanges();
}
catch (Exception)
{
MessageBox.Show("Row already exsists!");
}
btnGroupToSubject.PerformClick();
}
