private void btMuon_Click(object sender, EventArgs e)
{
string ngay_hen = dtpkNgay_hen_tra.Value.Date.ToShortDateString();
DateTime ngayhen = Convert.ToDateTime(ngay_hen);
TimeSpan limit = ngayhen - DateTime.Now;
if (DateTime.Now > ngayhen)
{
this.errorProvider1.SetError(dtpkNgay_hen_tra, "Ngay hen tra phai sau ngay cho muon.");
}
else
{
if (limit.Days > 60)
{
this.errorProvider1.SetError(dtpkNgay_hen_tra, "Ngay muon toi da la 60 ngay");
}
else
{
this.errorProvider1.Clear();
if (tbMa_doc_gia.Text != "")
{
var c = from b in a.PHIEUMUONs
orderby b.MAPHIEUMUON descending
select b;
string t = "";
foreach (var tmp1 in c)
{
t = tmp1.MAPHIEUMUON;
break;
}
t = t.Remove(0, 2);
if (tbMa_sach_1.Text != "" || tbMa_sach_2.Text != "")
{
DateTime mm = Convert.ToDateTime(DateTime.Now.ToShortDateString());
string tmp = "PM";
if ((Convert.ToInt32(t) + 1) < 10)
{
tmp += "0";
}
phieu_muon PM = new phieu_muon(tmp + (Convert.ToInt32(t) + 1).ToString(),
tbMa_doc_gia.Text, mm,
ngayhen, tbMa_sach_1.Text, tbMa_sach_2.Text);
ds_PM.add(PM);
loadlistPM();
add_lvSach();
MessageBox.Show("Cho muon thanh cong");
PHIEUMUON PMmoi = new PHIEUMUON();
PMmoi.MAPHIEUMUON = tmp + (Convert.ToInt32(t) + 1).ToString();
PMmoi.MADOCGIA = tbtim_Ma_doc_gia.Text;
PMmoi.NGAYHENTRA = ngayhen;
PMmoi.NGAYMUON = mm;
a.PHIEUMUONs.InsertOnSubmit(PMmoi);
CTPM ctpm_moi1 = new CTPM();
CTPM ctpm_moi2 = new CTPM();
ctpm_moi1.MAPHIEUMUON = tmp + (Convert.ToInt32(t) + 1).ToString();
ctpm_moi2.MAPHIEUMUON = tmp + (Convert.ToInt32(t) + 1).ToString();
if (PM.Ma_sach_1 != "")
{
ctpm_moi1.MASACH = PM.Ma_sach_1;
a.CTPMs.InsertOnSubmit(ctpm_moi1);
a.SubmitChanges();
}
if (PM.Ma_sach_2 != "")
{
ctpm_moi2.MASACH = PM.Ma_sach_2;
a.CTPMs.InsertOnSubmit(ctpm_moi2);
a.SubmitChanges();
}
loadlistPM(); cleardata();
}
else
{
MessageBox.Show("Chua chon sach");
}
}
else
{
MessageBox.Show("Chua nhap ma doc gia");
}
}
}
}
private void detach_PHIEUMUONs(PHIEUMUON entity)
{
this.SendPropertyChanging();
entity.PHIEUTRA = null;
}
private void attach_PHIEUMUONs(PHIEUMUON entity)
{
this.SendPropertyChanging();
entity.PHIEUTRA = this;
}
partial void DeletePHIEUMUON(PHIEUMUON instance);
partial void UpdatePHIEUMUON(PHIEUMUON instance);
partial void InsertPHIEUMUON(PHIEUMUON instance);
