public bool xoaHocVien(int maHV)
{
HocVien hocVien = new HocVien()
{
MaHV = maHV
};
using (var db = new TTTA_DBEntities())
{
db.Entry(hocVien).State = System.Data.Entity.EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}
public bool xoaGiangVien(int maGV)
{
GiangVien giangVien = new GiangVien()
{
MaGV = maGV
};
using (var db = new TTTA_DBEntities())
{
db.Entry(giangVien).State = System.Data.Entity.EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}
public bool xoaKhoaHoc(int maKH)
{
KhoaHoc khoaHoc = new KhoaHoc()
{
MaKH = maKH
};
using (var db = new TTTA_DBEntities())
{
db.Entry(khoaHoc).State = System.Data.Entity.EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}
public bool xoaMonHoc(int maMH)
{
MonHoc monHoc = new MonHoc()
{
MaMH = maMH
};
using (var db = new TTTA_DBEntities())
{
db.Entry(monHoc).State = System.Data.Entity.EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}
public int tinhDiemTB(int maLH, int maKH)
{
using (var db = new TTTA_DBEntities())
{
db.KetQuas.Where(x => x.MaKhoaHoc == maKH && x.MaLopHoc == maLH).ToList().
ForEach(x =>
{
x.DiemTB = (x.DiemCuoiKy + x.DiemGiuaKy) / 2;
db.Entry(x).State = System.Data.Entity.EntityState.Modified;
});
return(db.SaveChanges());
}
}
public bool xoaLopHoc(int maLH, int khoaHoc)
{
LopHoc lopHoc = new LopHoc()
{
MaLH = maLH,
KhoaHoc = khoaHoc
};
using (var db = new TTTA_DBEntities())
{
db.Entry(lopHoc).State = System.Data.Entity.EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}
public bool capNhatTaiKhoan(string mail, string matKhau, string quyenDangNhap)
{
DangNhap dangnhap = new DangNhap()
{
Mail = mail,
MatKhau = matKhau,
QuyenDangNhap = quyenDangNhap
};
using (var db = new TTTA_DBEntities())
{
db.Entry(dangnhap).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges() > 0);
}
}
public bool xoaKetQua(int maHV, int maLH, int maKH)
{
KetQua ketQua = new KetQua()
{
MaHocVien = maHV,
MaLopHoc = maLH,
MaKhoaHoc = maKH
};
using (var db = new TTTA_DBEntities())
{
db.Entry(ketQua).State = System.Data.Entity.EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}
public bool xoaBienLai(int maHV, int maLH, int maKH)
{
BienLaiHocPhi bienLai = new BienLaiHocPhi()
{
MaHocVien = maHV,
MaLopHoc = maLH,
MaKhoaHoc = maKH
};
using (var db = new TTTA_DBEntities())
{
db.Entry(bienLai).State = System.Data.Entity.EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}
public bool capNhatMonHoc(int maMH, string tenMH, int soGioHoc)
{
MonHoc monHoc = new MonHoc()
{
MaMH = maMH,
TenMH = tenMH,
SoGioHoc = soGioHoc
};
using (var db = new TTTA_DBEntities())
{
db.Entry(monHoc).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges() > 0);
}
}
public bool capNhatKhoaHoc(int maKH, DateTime ngayBatDau, int soTuanHoc, string tinhTrang)
{
KhoaHoc khoaHoc = new KhoaHoc()
{
MaKH = maKH,
NgayBatDau = ngayBatDau,
SoTuanHoc = soTuanHoc,
TinhTrang = tinhTrang
};
using (var db = new TTTA_DBEntities())
{
db.Entry(khoaHoc).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges() > 0);
}
}
public bool capNhatKetQua(int maHV, int maLH, int maKH, float?diemGiuaKy, float?diemCuoiKy, float?diemTB)
{
KetQua ketQua = new KetQua()
{
MaHocVien = maHV,
MaLopHoc = maLH,
MaKhoaHoc = maKH,
DiemGiuaKy = diemGiuaKy,
DiemCuoiKy = diemCuoiKy,
DiemTB = diemTB
};
using (var db = new TTTA_DBEntities())
{
db.Entry(ketQua).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges() > 0);
}
}
public bool capNhatHocVien(int maHV, string hoTen, DateTime ngaySinh, string gioiTinh, string diaChi, string soDienThoai)
{
HocVien hocVien = new HocVien()
{
MaHV = maHV,
HoTen = hoTen,
NgaySinh = ngaySinh,
GioiTinh = gioiTinh,
DiaChi = diaChi,
SoDienThoai = soDienThoai
};
using (var db = new TTTA_DBEntities())
{
db.Entry(hocVien).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges() > 0);
}
}
public bool capNhatGiangVien(int maGV, string tenGV, DateTime ngaySinh, int thamNien, string hocVi, int luong, string mail)
{
GiangVien giangVien = new GiangVien()
{
MaGV = maGV,
TenGV = tenGV,
NgaySinh = ngaySinh,
ThamNien = thamNien,
HocVi = hocVi,
Luong = luong,
Mail = mail
};
using (var db = new TTTA_DBEntities())
{
db.Entry(giangVien).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges() > 0);
}
}
public bool capNhatLopHoc(int maLH, int khoaHoc, int monHoc, int giangVien, string caHoc, string ngayHoc, string soLuongHV, int soTien)
{
LopHoc lopHoc = new LopHoc()
{
MaLH = maLH,
KhoaHoc = khoaHoc,
MonHoc = monHoc,
GiangVien = giangVien,
CaHoc = caHoc,
NgayHoc = ngayHoc,
SoLuongHV = soLuongHV,
SoTien = soTien
};
using (var db = new TTTA_DBEntities())
{
db.Entry(lopHoc).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges() > 0);
}
}
