public KhachHang LayThongTinKhachHang(string uname)
{
DAO_KhachHang daoKH = new DAO_KhachHang();
daoKH.Open();
string qry = "select * from KhachHang where TenDangNhap = '" + uname + "'";
SqlCommand cmd = new SqlCommand(qry, daoKH.cnn);
SqlDataReader reader = cmd.ExecuteReader();
KhachHang kh = new KhachHang();
if (reader.HasRows)
{
reader.Read();
kh.MAKH = reader.GetInt32(0);
kh.TENDANGNHAP = uname;
kh.HOTEN = reader.GetValue(3).ToString();
kh.GIOITINH = reader.GetInt32(4);
kh.DIACHI = reader.GetValue(5).ToString();
kh.EMAIL = reader.GetValue(6).ToString();
kh.SODIENTHOAI = reader.GetValue(7).ToString();
kh.LAADMIN = (bool)reader.GetValue(8);
}
reader.Dispose();
cmd.Dispose();
daoKH.Close();
return(kh);
}
public int LaDangNhapThanhCong(string Username, string Password)
{
int flag = -1;
DAO_KhachHang dao = new DAO_KhachHang();
dao.Open();
string qry = "SELECT * FROM KHACHHANG WHERE TENDANGNHAP = '" + Username + "' AND MATKHAU ='" + Password + "'";
SqlCommand cmd = new SqlCommand(qry, dao.cnn);
SqlDataReader reader = cmd.ExecuteReader();
if (reader.HasRows)
{
reader.Read();
bool isAdmin = reader.GetBoolean(8);
if (isAdmin == true)
{
flag = 1;
}
else
{
flag = 0;
}
}
cmd.Dispose();
reader.Dispose();
dao.Close();
return(flag);
}
public int LayMaKH(string username)
{
DAO_KhachHang dao = new DAO_KhachHang();
dao.Open();
string qry = "SELECT MaKH FROM KHACHHANG WHERE TENDANGNHAP = '" + username + "'";
SqlCommand cmd = new SqlCommand(qry, dao.cnn);
SqlDataReader reader = cmd.ExecuteReader();
if (reader.HasRows)
{
reader.Read();
int makh = int.Parse(reader.GetValue(0).ToString());
cmd.Dispose();
reader.Dispose();
dao.Close();
return(makh);
}
else
{
cmd.Dispose();
reader.Dispose();
dao.Close();
return(-1);
}
}
public void GhiThongTinKhachHang(KhachHang kh)
{
DAO_KhachHang dao = new DAO_KhachHang();
dao.Open();
string qry = "insert into khachhang(TenDangNhap,MatKhau,HoTen,GioiTinh,DiaChi,Email,SoDienThoai,LaAdmin) values('" + kh.TENDANGNHAP + "','" + kh.MATKHAU + "','" + kh.HOTEN + "'," + kh.GIOITINH + ",'" + kh.DIACHI + "','" + kh.EMAIL + "','" + kh.SODIENTHOAI + "','False')";
SqlCommand cmd = new SqlCommand(qry, dao.cnn);
cmd.ExecuteNonQuery();
cmd.Dispose();
dao.Close();
}
public void CapNhatThongTinKH(KhachHang kh)
{
DAO_KhachHang daoKH = new DAO_KhachHang();
daoKH.Open();
string qry = "Update KhachHang set HoTen = '" + kh.HOTEN + "', GioiTinh = " + kh.GIOITINH +
", DiaChi = '" + kh.DIACHI + "', Email = '" + kh.EMAIL + "',SoDienThoai ='" + kh.SODIENTHOAI + "'" +
"where MaKH = " + kh.MAKH;
SqlCommand cmd = new SqlCommand(qry, daoKH.cnn);
cmd.ExecuteNonQuery();
daoKH.Close();
}
public DataTable DanhSachKhachHang()
{
DataTable ds = new DataTable();
DAO_KhachHang daoKH = new DAO_KhachHang();
daoKH.Open();
string qry = "select * from KhachHang";
SqlCommand cmd = new SqlCommand(qry, daoKH.cnn);
SqlDataReader reader = cmd.ExecuteReader();
ds.Load(reader);
daoKH.Close();
return(ds);
}
public int LaTrungTenDangNhap(string TenDangNhap)
{
DAO_KhachHang dao = new DAO_KhachHang();
dao.Open();
string qry = "SELECT * FROM KHACHHANG WHERE TENDANGNHAP = '" + TenDangNhap + "'";
SqlCommand cmd = new SqlCommand(qry, dao.cnn);
SqlDataReader reader = cmd.ExecuteReader();
if (reader.HasRows)
{
return(1);
}
return(0);
}
public void XoaKhachHang(int MaKH)
{
DAO_KhachHang daoKH = new DAO_KhachHang();
daoKH.Open();
string qry = "XOAKH";
SqlCommand cmd = new SqlCommand(qry, daoKH.cnn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@MaKH", SqlDbType.Int).Value = MaKH;
cmd.ExecuteNonQuery();
cmd.Dispose();
daoKH.Close();
}
public DataTable LoadTopKhachHang(int num)
{
DAO_KhachHang daoKH = new DAO_KhachHang();
daoKH.Open();
string qry = "select top " + num + " with ties B.HoTen,B.SoDienThoai , SUM(SoLuong*DonGia) as DoanhThu from HoaDon A,KhachHang B,ChiTiet_HoaDon C where A.MaHD = C.MaHD and B.MaKH = A.MaKH group by B.MaKH,B.HoTen,B.SoDienThoai order by SUM(SoLuong*DonGia) desc";
SqlCommand cmd = new SqlCommand(qry, daoKH.cnn);
SqlDataReader reader = cmd.ExecuteReader();
DataTable dt = new DataTable();
dt.Load(reader);
reader.Dispose();
cmd.Dispose();
daoKH.Close();
return(dt);
}
public int LaTrungEmail(string Email)
{
int flag = 0;
DAO_KhachHang dao = new DAO_KhachHang();
dao.Open();
string qry = "SELECT * FROM KHACHHANG WHERE Email = '" + Email + "'";
SqlCommand cmd = new SqlCommand(qry, dao.cnn);
SqlDataReader reader = cmd.ExecuteReader();
if (reader.HasRows)
{
flag = 1;
}
cmd.Dispose();
reader.Dispose();
dao.Close();
return(flag);
}
public void CapNhatKhachHang(KhachHang kh)
{
DAO_KhachHang daoKH = new DAO_KhachHang();
daoKH.CapNhatKhachHang(kh);
}
public int LayMaKH(string username)
{
DAO_KhachHang dao = new DAO_KhachHang();
return(dao.LayMaKH(username));
}
public DataTable LoadTopKhachHang(int num)
{
DAO_KhachHang dao = new DAO_KhachHang();
return(dao.LoadTopKhachHang(num));
}
public void XoaKhachHang(int MaKH)
{
DAO_KhachHang daoKH = new DAO_KhachHang();
daoKH.XoaKhachHang(MaKH);
}
public void CapNhatThongTinKH(KhachHang kh)
{
DAO_KhachHang dao = new DAO_KhachHang();
dao.CapNhatThongTinKH(kh);
}
public int LaTrungTenDangNhap(string TenDangNhap)
{
DAO_KhachHang dao = new DAO_KhachHang();
return(dao.LaTrungTenDangNhap(TenDangNhap));
}
public int LaTrungEmail(string Email)
{
DAO_KhachHang dao = new DAO_KhachHang();
return(dao.LaTrungEmail(Email));
}
public int LaDangNhapThanhCong(string Username, string Password)
{
DAO_KhachHang dao = new DAO_KhachHang();
return(dao.LaDangNhapThanhCong(Username, Password));
}
public DataTable DanhSachKhachHang()
{
DAO_KhachHang daoKH = new DAO_KhachHang();
return(daoKH.DanhSachKhachHang());
}
public void GhiThongTinKhachHang(KhachHang kh)
{
DAO_KhachHang dao = new DAO_KhachHang();
dao.GhiThongTinKhachHang(kh);
}
public KhachHang LayThongTinKhachHang(string uname)
{
DAO_KhachHang daoKH = new DAO_KhachHang();
return(daoKH.LayThongTinKhachHang(uname));
}
