public frm_SinhVien()
{
InitializeComponent();
conn = new TV_kncsdl();
if (conn.Moketnoi())
{
string sql = "select * from Lop";
cbb_tenLop.DataSource = conn.LayBang(sql);
cbb_tenLop.DisplayMember = "ten_lop";
cbb_tenLop.ValueMember = "ma_lop";
reloadDGV();
}
refresh();
button(true, false, false, false, false, false, false, false);
}
public void reloadDGV()
{
string sql = "select mssv as MSSV, ho_ten as 'Họ tên', ma_lop as 'Mã lớp' from SinhVien";
dgv_sinhVien.DataSource = conn.LayBang(sql);
}
public void reloadDGV()
{
string sql = "select ma_lop as 'Mã lớp', ten_lop as 'Tên lớp' from Lop";
dgv_lop.DataSource = conn.LayBang(sql);
}