private void btnXoaBM_Click(object sender, EventArgs e)
{
if (btnXoaBM.Enabled == true)
{
DialogResult r = MessageBox.Show(null, "Bạn có chắc xóa bộ môn " + txtTenBM.Text + " không!", "Cân nhắc", MessageBoxButtons.YesNo);
if (r == DialogResult.Yes)
{
XepThoiKhoaBieuEntities et = new XepThoiKhoaBieuEntities();
BoMon bmdel = new BoMon();
bmdel.MaBM = Int32.Parse(txtMaBM.Text);
et.Entry(bmdel).State = EntityState.Deleted;
et.SaveChanges();
MessageBox.Show("Đã xóa!");
QLBoMon_Load(sender, e);
}
}
}
private void btnReload_Click(object sender, EventArgs e)
{
if (k == 1)
{
try
{
if (t == 1)
{
XepThoiKhoaBieuEntities et = new XepThoiKhoaBieuEntities();
BoMon b = new BoMon();
b.MaBM = Int32.Parse(txtMaBM.Text);
b.TenBM = txtTenBM.Text;
et.Entry(b).State = EntityState.Added;
et.SaveChanges();
MessageBox.Show("Thêm thành công!");
}
else
{
XepThoiKhoaBieuEntities et = new XepThoiKhoaBieuEntities();
BoMon bnew = new BoMon();
bnew.MaBM = Int32.Parse(txtMaBM.Text);
bnew.TenBM = txtTenBM.Text;
et.Entry(bnew).State = EntityState.Modified;
et.SaveChanges();
MessageBox.Show("Sửa thành công!");
}
QLBoMon_Load(sender, e);
}
catch (Exception ex)
{
MessageBox.Show("Lỗi " + ex.Message);
}
}
else
{
QLBoMon_Load(sender, e);
}
}