private void btnThem_Click(object sender, EventArgs e)
{
LopBUL lp = new LopBUL();
string MaLop = txtbMaLop.Text;
string TenLop = txtbTenLop.Text;
string NienKhoa = txtbNienKhoa.Text;
int SiSo = int.Parse(txtbSiSo.Text);
string GiaoVienChuNhiem = (string)cbGiaoVienChuNhiem.SelectedValue;
lp.Them(MaLop, TenLop, NienKhoa, SiSo, GiaoVienChuNhiem);
dgvLop.DataSource = myLop.LayDsLop();
}
private void lưuToolStripMenuItem_Click(object sender, EventArgs e)
{
if (btnThem.Enabled == false)
{
LopBUL lp = new LopBUL();
string MaLop = txtbMaLop.Text;
string TenLop = txtbTenLop.Text;
string NienKhoa = txtbNienKhoa.Text;
int SiSo = int.Parse(txtbSiSo.Text);
string GiaoVienChuNhiem = (string)cbGiaoVienChuNhiem.SelectedValue;
lp.Them(MaLop, TenLop, NienKhoa, SiSo, GiaoVienChuNhiem);
dgvLop.DataSource = myLop.LayDsLop();
btnThem.Enabled = true;
}
if (btnSua.Enabled == false)
{
LopBUL lp = new LopBUL();
string MaLop = txtbMaLop.Text;
string TenLop = txtbTenLop.Text;
string NienKhoa = txtbNienKhoa.Text;
int SiSo = int.Parse(txtbSiSo.Text);
string GiaoVienChuNhiem = (string)cbGiaoVienChuNhiem.SelectedValue;
lp.Sua(MaLop, TenLop, NienKhoa, SiSo, GiaoVienChuNhiem);
dgvLop.DataSource = myLop.LayDsLop();
btnSua.Enabled = true;
}
if (btnXoa.Enabled == false)
{
try
{
LopBUL lop = new LopBUL();
string MaLop = txtbMaLop.Text;
lop.Xoa(MaLop);
}
catch (Exception)
{
MessageBox.Show("Xóa thông tin không hợp lệ!!!");
}
DialogResult dlr = MessageBox.Show("Thông báo xác nhận xóa",
"Thông báo", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dlr == DialogResult.No)
{
}
if (dlr == DialogResult.Yes)
{
dgvLop.DataSource = myLop.LayDsLop();
ClearLop();
btnXoa.Enabled = true;
}
}
}