public bool deleteCTHoaDon(int id) { try { ct_hoadon ct = db.ct_hoadons.Single(m => m.id == id); db.ct_hoadons.DeleteOnSubmit(ct); db.SubmitChanges(); return(true); } catch { return(false); } }
public bool updateCTHoaDon(int id, string mhd, string msp, int sl, float tien) { try { ct_hoadon ct = db.ct_hoadons.Single(m => m.id == id); ct.mahd = mhd; ct.masp = msp; ct.soluong = sl; ct.thanhtien = tien; db.SubmitChanges(); return(true); } catch { return(false); } }
public bool insertCTHoaDon(string mhd, string msp, int sl, float tien) { try { ct_hoadon ct = new ct_hoadon(); ct.mahd = mhd; ct.masp = msp; ct.soluong = sl; ct.thanhtien = tien; db.ct_hoadons.InsertOnSubmit(ct); db.SubmitChanges(); return(true); } catch { return(false); } }