public void HienThi(DataGridView dg, BindingNavigator bn, TextBox ma, TextBox ten, ComboBox nam)
{
BindingSource bs = new BindingSource();
bs.DataSource = Data.LayDSHocKi();
bn.BindingSource = bs;
dg.DataSource = bs;
if (ma.DataBindings.Count > 0)
{
ma.DataBindings.RemoveAt(0);
ten.DataBindings.RemoveAt(0);
nam.DataBindings.RemoveAt(0);
}
NamHocCtrl ctrlnam = new NamHocCtrl();
dg.Columns.Add(ctrlnam.ColumnNamHoc());
dg.Columns.RemoveAt(2);
ma.DataBindings.Add("Text", bs, "MAHOCKI");
ten.DataBindings.Add("Text", bs, "TENHOCKI");
NamHocData dataNam = new NamHocData();
nam.DataSource = dataNam.LayDSNamHoc();
nam.DisplayMember = "TENNAMHOC";
nam.ValueMember = "MANAMHOC";
nam.DataBindings.Add("SelectedValue", bs, "MANAM");
}