// kiem tra so luong ton
int KiemTraSLTon()
{
Sach sach = new Sach("", txtSach.Text, txtTacgia.Text, txtTheloai.Text, int.Parse(txtGia.Text), int.Parse(txtSl.Text));
SachDAO objSach = new SachDAO();
if (objSach.KiemTraSach(sach) == false)
{
string masach = objSach.GetMaSach(txtSach.Text, txtTacgia.Text).Rows[0]["masach"].ToString();
int soluongton = int.Parse(objSach.GetSach(masach).Rows[0]["soluong"].ToString());
if (soluongton > ThietLap.SLTonMin)
{
MessageBox.Show("số lượng tồn quá " + ThietLap.SLTonMin.ToString());
return(0);
}
}
return(1);
}
public bool NhapSach(Sach sach)
{
if (objSach.KiemTraSach(sach) == true)
{
string masach = "S";
int stt = objSach.GetSach().Rows.Count + 1;
for (int i = 0; i < 3 - stt.ToString().Length; i++)
{
masach += "0";
}
masach += stt.ToString();
sach.MaSach = masach;
return(objSach.NhapSachMoi(sach));
}
else
{
return(objSach.NhapSachCu(sach));
}
}