public bool CheckReturned(int MaPM)
{
using (DHP_07Entities db = new DHP_07Entities())
{
return(db.PhieuMuons.Find(MaPM).NgayTra != null);
}
}
public bool CheckMSSV(string MSSV)
{
using (DHP_07Entities db = new DHP_07Entities())
{
return(db.DocGias.Any(p => p.MSSV == MSSV));
}
}
public bool CheckUsername(string Username)
{
using (DHP_07Entities db = new DHP_07Entities())
{
return(db.NguoiDungs.Any(p => p.Username == Username));
}
}
public bool CheckEmail(string email)
{
using (DHP_07Entities db = new DHP_07Entities())
{
return(db.NguoiDungs.Any(p => p.Email == email));
}
}
public void SetGUI()
{
DHP_07Entities db = new DHP_07Entities();
if (ID_NguoiDung != 0)
{
NguoiDung s = db.NguoiDungs.Find(ID_NguoiDung);
txtUser.Text = s.Username;
txtPassword.Text = s.Password;
txtHoTen.Text = s.HoTen;
txtDienThoai.Text = s.DienThoai;
txtEmail.Text = s.Email;
dateTimePicker1.Value = s.NgaySinh.Value;
if (s.GioiTinh == true)
{
rbtnNam.Checked = true;
}
else
{
rbtnNu.Checked = true;
}
cbbQuyenHan.SelectedIndex = s.ID_QuyenHan - 1;
txtUser.Enabled = false;
}
}
public bool CheckPhoneNumber(string num)
{
using (DHP_07Entities db = new DHP_07Entities())
{
return(db.NguoiDungs.Any(p => p.DienThoai == num));
}
}
public void DeletePM(int MaPM)
{
using (DHP_07Entities db = new DHP_07Entities())
{
db.PhieuMuons.Remove(db.PhieuMuons.Find(MaPM));
db.SaveChanges();
}
}
public void AddPM(PhieuMuon s)
{
using (DHP_07Entities db = new DHP_07Entities())
{
db.PhieuMuons.Add(s);
db.SaveChanges();
}
}
public DocGia GetDGByMSSV(string mssv)
{
DHP_07Entities db = new DHP_07Entities();
var l1 = db.DocGias
.Single(p => p.MSSV == mssv);
return(l1);
}
public void AddDG(DocGia d)
{
using (DHP_07Entities db = new DHP_07Entities())
{
db.DocGias.Add(d);
db.SaveChanges();
}
}
public void AddNV(NguoiDung s)
{
using (DHP_07Entities db = new DHP_07Entities())
{
db.NguoiDungs.Add(s);
db.SaveChanges();
}
}
public NguoiDung GetUserByUsername(string Username)
{
using (DHP_07Entities db = new DHP_07Entities())
{
NguoiDung data = db.NguoiDungs.Where(p => p.Username.Equals(Username)).FirstOrDefault();
return(data);
}
}
public void DeleteTL(string MaTL)
{
using (DHP_07Entities db = new DHP_07Entities())
{
db.TaiLieux.Remove(db.TaiLieux.Find(MaTL));
db.SaveChanges();
}
}
public void GiamSL(string MaTL, int Num)
{
using (DHP_07Entities db = new DHP_07Entities())
{
TaiLieu s = db.TaiLieux.Find(MaTL);
s.SoLuong -= Num;
db.SaveChanges();
}
}
public void AddTL(TaiLieu s)
{
using (DHP_07Entities db = new DHP_07Entities())
{
db.TaiLieux.Add(s);
db.SaveChanges();
Instance.AddCTL(s.MaTL, (int)s.SoLuong);
}
}
public List <DocGia> GetListDG(string MaSo, string Name)
{
DHP_07Entities db = new DHP_07Entities();
var l1 = db.DocGias
.Where(p => p.MSSV.Contains(MaSo) && p.HoTen.Contains(Name))
.Select(p => p).ToList();
return(l1);
}
public void DeleteNV(int ID_NguoiDung)
{
using (DHP_07Entities db = new DHP_07Entities())
{
NguoiDung s = db.NguoiDungs.Find(ID_NguoiDung);
db.NguoiDungs.Remove(s);
db.SaveChanges();
}
}
public void EditEmailNV(NguoiDung s, int ID_NguoiDung, string email)
{
using (DHP_07Entities db = new DHP_07Entities())
{
NguoiDung s1 = db.NguoiDungs.Find(ID_NguoiDung);
s1.Email = email;
db.SaveChanges();
}
}
public void EditSDTNV(NguoiDung s, int ID_NguoiDung, string sdt)
{
using (DHP_07Entities db = new DHP_07Entities())
{
NguoiDung s1 = db.NguoiDungs.Find(ID_NguoiDung);
s1.DienThoai = sdt;
db.SaveChanges();
}
}
public void EditHoTenNV(NguoiDung s, int ID_NguoiDung, string ten)
{
using (DHP_07Entities db = new DHP_07Entities())
{
NguoiDung s1 = db.NguoiDungs.Find(ID_NguoiDung);
s1.HoTen = ten;
db.SaveChanges();
}
}
public void EditNgaySinhNV(NguoiDung s, int ID_NguoiDung, DateTime ngay)
{
using (DHP_07Entities db = new DHP_07Entities())
{
NguoiDung s1 = db.NguoiDungs.Find(ID_NguoiDung);
s1.NgaySinh = ngay;
db.SaveChanges();
}
}
public TaiLieu GetTLByMaTL(string MaTL)
{
DHP_07Entities db = new DHP_07Entities();
if (MaTL == null)
{
return(null);
}
return(db.TaiLieux.Where(p => p.MaTL.Equals(MaTL)).FirstOrDefault());
}
public void ChangePass(NguoiDung nd, string Pass)
{
using (DHP_07Entities db = new DHP_07Entities())
{
var l1 = db.NguoiDungs
.Single(p => p.ID == nd.ID);
l1.Password = Pass;
db.SaveChanges();
}
}
public void DelDG(DocGia d)
{
using (DHP_07Entities db = new DHP_07Entities())
{
var l1 = db.DocGias
.Single(p => p.MSSV == d.MSSV);
db.DocGias.Remove(l1);
db.SaveChanges();
}
}
public PhieuMuon GetPMByMaPM(int MaPM)
{
DHP_07Entities db = new DHP_07Entities();
if (MaPM == 0)
{
return(null);
}
return(db.PhieuMuons.Where(p => p.MaPhieuMuon.Equals(MaPM)).FirstOrDefault());
}
private void SetCBB()
{
DHP_07Entities db = new DHP_07Entities();
foreach (Lop i in db.Lops)
{
cbbMaLop.Items.Add(new CBBItem {
Value = i.MaLop, Text = i.TenLop
});
}
}
public void DeleteCTL(string MaTL, int Num)
{
using (DHP_07Entities db = new DHP_07Entities())
{
for (int i = 0; i < Num; ++i)
{
db.CuonTaiLieux.Remove(db.CuonTaiLieux.Where(p => p.MaTL == MaTL).FirstOrDefault());
}
db.SaveChanges();
}
}
public void SetCBB()
{
DHP_07Entities db = new DHP_07Entities();
foreach (QuyenHan i in db.QuyenHans)
{
cbbQuyenHan.Items.Add(new CBBItem {
Value = i.ID_QuyenHan, Text = i.TenQuyenHan
});
}
}
public List <DocGia_DTO> GetListDGSelect(string MaSo, string Name)
{
DHP_07Entities db = new DHP_07Entities();
var l1 = db.DocGias
.Where(p => p.MSSV.Contains(MaSo) && p.HoTen.Contains(Name))
.Select(p => new DocGia_DTO {
MSSV = p.MSSV, HoTen = p.HoTen, NgaySinh = p.NgaySinh, GioiTinh = p.GioiTinh, TenLop = p.Lop.TenLop, NgayDK = p.NgayDK
}).ToList();
return(l1);
}
public void TraSLTL(List <TaiLieu_DTO> data)
{
using (DHP_07Entities db = new DHP_07Entities())
{
foreach (TaiLieu_DTO i in data)
{
TaiLieu s = db.TaiLieux.Find(i.MaTL);
s.SoLuong++;
}
db.SaveChanges();
}
}