private void btnLuu_Click(object sender, EventArgs e)
{
lsBUS lsB = new lsBUS();
LoaiSach ls = new LoaiSach(txtMaLS.Text, txtTenLS.Text, txtMoTa.Text);
if (check == true)
{
if (lsB.CheckID(txtMaLS.Text))
{
MessageBox.Show(txtMaLS.Text + " đã tồn tại!!!");
}
else
{
if (check == true)
{
lsB.addLS(ls);
}
}
}
else
{
lsB.edit(ls);
}
grvLoaiSach.DataSource = lsB.getData();
}
public frmLoaiSach()
{
InitializeComponent();
lsBUS ls = new lsBUS();
disable();
grvLoaiSach.DataSource = ls.getData();
grvLoaiSach.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
btnLuu.Enabled = false;
}