public bool themHocSinh(HocSinh h)
{
try
{
conn.Open();
SQL = "insert into HOCSINH values('" + h.Mahs + "', N'" + h.Hohs + "', N'" + h.Tenhs + "', '" + h.Ns +
"', N'" + h.Gt + "', N'" + h.Dc + "', '" + h.Sdt + "', N'" + h.htBo + "', N'" + h.nnBo + "', N'" + h.htMe +
"', N'" + h.nnMe + "')";
SqlCommand cmd = new SqlCommand(SQL, conn);
int kq = (int)cmd.ExecuteNonQuery();
if (kq > 0)
{
return(true);
}
}
catch
{
}
finally
{
conn.Close();
}
return(false);
}
private void btnThemHS_Click(object sender, EventArgs e)
{
if (txtMaHS.Text != "")
{
if (txtHoHS.Text != "" && txtTenHS.Text != "" &&
txtHTBo.Text != "" && txtHTMe.Text != "" && txtDC.Text != "" && txtSDT.Text != "")
{
HocSinh hs = new HocSinh(txtMaHS.Text, txtHoHS.Text, txtTenHS.Text, dtpNS.Value,
cbbGT.Text, txtDC.Text, txtSDT.Text, txtHTBo.Text, txtNNBo.Text, txtHTMe.Text, txtNNMe.Text);
if (chs.suaHocSinh(hs))
{
MessageBox.Show("sửa thành công");
frmMain f = new frmMain();
this.Hide();
f.ShowDialog();
f.Close();
}
else
{
MessageBox.Show("sửa không thành công");
}
}
else
{
MessageBox.Show("xin vui lòng nhập đủ thông tin");
}
}
else
{
MessageBox.Show("xin vui lòng nhập mã học sinh để sủa thông tin");
}
}
public List <HocSinh> GetDSHocSinhChuaXepLop()
{
OpenConnection();
SqlCommand com = new SqlCommand();
com.CommandType = CommandType.Text;
com.CommandText = " select * from HOCSINH "
+ "where MaHocSinh not in (select MaHocSinh from QUATRINHHOCTAP)";
com.Connection = conn;
SqlDataReader reader = com.ExecuteReader();
List <HocSinh> listdshocsinh = new List <HocSinh>();
string namsinh = null;
while (reader.Read())
{
string ma = reader.GetInt32(0).ToString();
String ten = reader.GetString(1);
string gioitinh = reader.GetString(2);
namsinh = reader.GetDateTime(3).ToString();
string diachi = reader.GetString(4);
string email = reader.GetString(5);
string trangThai = reader.GetString(6);
HocSinh dshocsinh = new HocSinh(ma, ten, gioitinh, diachi, email, namsinh, trangThai);
listdshocsinh.Add(dshocsinh);
}
reader.Close();
CloseConnection();
return(listdshocsinh);
}
private void btnThemHS_Click(object sender, EventArgs e)
{
int maHS = 1; int lopHienTai;
DateTime ngaySinh;
string hoTen, gioiTinh, diaChi, sdt, email, tenLop;
bool tinhTrang;
hoTen = txtHoTen.Text.Trim();
gioiTinh = cbGT.Text.Trim();
sdt = txtSDT.Text.Trim();
ngaySinh = txtNS.Value;
diaChi = txtDiaChi.Text.Trim();
email = txtEmail.Text.Trim();
tinhTrang = int.Parse(cbTinhTrang.SelectedValue.ToString()) != (int)TinhTrang.DangHoc;
lopHienTai = int.Parse(cbLop.SelectedValue.ToString());
tenLop = cbLop.SelectedValue.ToString();
HocSinh hs = new HocSinh(maHS, hoTen, gioiTinh, ngaySinh, diaChi, sdt, email, tinhTrang, lopHienTai, tenLop);
try
{
int i = new HocSinhBUS().ThemHocSinh(hs);
if (i > -1)
{
MessageBox.Show("Thêm thành công");
Close();
}
}
catch (Exception)
{
MessageBox.Show("Nhập sai thông tin");
return;
}
}
public void insertHocSinh(HocSinh hs)
{
string query = string.Format("INSERT dbo.HOCSINH( HOTEN ,GIOITINH , NGAYSINH , NOISINH ,DANTOC ,TONGIAO) VALUES( '{0}' , '{1}' , '{2}' ,'{3}' , '{4}' , '{5}')", hs.HoTen, hs.GioiTinh, hs.NgaySinh.ToShortDateString(), hs.NoiSinh, hs.DanToc, hs.TonGiao);
DatabaseConnect dtConnet = new DatabaseConnect();
dtConnet.ExecuteNonQuery(query);
}
private void btnEdit_Click_1(object sender, EventArgs e)
{
using (frmAddEditStudent fmAE = new frmAddEditStudent())
{
int selectIndex = dgvHocSinh.CurrentRow.Index;
if (selectIndex < 0)
{
MessageBox.Show("Chọn bản ghi cần sửa!");
}
else
{
string id = dgvHocSinh[0, selectIndex].Value.ToString();
fmAE.Id = id;
if (fmAE.ShowDialog() == DialogResult.OK)
{
HocSinh hs = fmAE.getHocSinh();
if (bsHs.UpdateHocSinh(hs))
{
MessageBox.Show("Sửa thành công", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Sửa thất bại", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
return;
}
}
}
}
public async Task <ActionResult <HocSinh> > PostHocSinh(HocSinh hocSinh)
{
_context.HocSinhs.Add(hocSinh);
await _context.SaveChangesAsync();
return(CreatedAtAction("GetHocSinh", new { id = hocSinh.id }, hocSinh));
}
public ErrType SuaTTHS(HocSinh hs)
{
using (var db = new BusinessContext())
{
HocSinh hocsinh = db.HocSinhs.Find(hs.HocSinhID);
if (hocsinh != null)
{
hocsinh.HoTen = InputHelper.NhapStr("nhap ho ten: ", "err", 0, 20);
hocsinh.QueQuan = InputHelper.NhapStr("nhap que quan: ", "err");
hocsinh.NgaySinh = InputHelper.NhapDate("nhap ngay sinh: ", "err", new DateTime(2001 / 1 / 1), new DateTime(2013 / 12 / 31));
Boolean ok = true;
do
{
hocsinh.LopID = InputHelper.NhapInt("Nhap ma lop: ", "err");
Lop l = db.Lops.Find(hocsinh.LopID);
if (l == null)
{
Console.WriteLine("lop khong ton tai");
ok = false;
}
else
{
ok = true;
}
}while (!ok);
db.SaveChanges();
return(ErrType.succes);
}
else
{
return(ErrType.emptylist);
}
}
}
public bool Insert(HocSinh hocSinh)
{
SqlConnection connection = new SqlConnection(connectionString);
try
{
if (connection.State == ConnectionState.Closed)
{
connection.Open();
}
string sql = "INSERT INTO HocSinh(MaHS, TenHS, DiaChi) VALUES(@maHS, @tenHS, @diaChi)";
SqlCommand command = new SqlCommand(sql, connection);
command.Parameters.AddWithValue("@maHS", hocSinh.MaHS);
command.Parameters.AddWithValue("@tenHS", hocSinh.TenHS);
command.Parameters.AddWithValue("@diaChi", hocSinh.DiaChi);
if (command.ExecuteNonQuery() > 0)
{
return(true);
}
connection.Close();
}
catch (Exception e)
{
return(false);
}
return(false);
}
public HocSinh getHocSinh(DataRow row)
{
HocSinh hs = new HocSinh();
hs.Ma = row["ma"].ToString().Trim();
hs.Ten = row["ten"].ToString().Trim();
int gt = 1;
if (int.TryParse(row["gioitinh"].ToString().Trim(), out gt))
{
hs.GioiTinh = gt;
}
DateTime ns = new DateTime();
if (DateTime.TryParse(row["ngaysinh"].ToString().Trim(), out ns))
{
hs.NgaySinh = ns;
}
hs.DanToc = row["dantoc"].ToString().Trim();
hs.DiaChi = row["diachi"].ToString().Trim();
hs.LopMa = row["Lopma"].ToString().Trim();
hs.DienThoai = row["Sodienthoai"].ToString().Trim();
hs.Email = row["email"].ToString().Trim();
return(hs);
}
public ErrType ChuyenLopChoHS(HocSinh hs)
{
using (var db = new BusinessContext())
{
HocSinh hocsinh = db.HocSinhs.Find(hs.HocSinhID);
if (hocsinh != null)
{
Boolean ok = true;
do
{
hocsinh.LopID = InputHelper.NhapInt("Nhap ma lop: ", "err");
Lop l = db.Lops.Find(hocsinh.LopID);
if (l == null)
{
Console.WriteLine("lop khong ton tai");
ok = false;
}
else
{
ok = true;
}
}while (!ok);
db.SaveChanges();
return(ErrType.succes);
}
else
{
return(ErrType.emptylist);
}
}
}
public HocSinh[] getListHocSinh()
{
//DataTable table = da.Query("select hs.Ma, hs.Ten, hs.GioiTinh, hs.NgaySinh , hs.Email, hs.DanToc, "
// + " hs.Sodienthoai, lhp.ma as [Lopma], hs.Diachi from Hocsinh hs inner join Lophocphan lhp on hs.Lopma = lhp.ma");
//DataTable table = da.Query("select hs.Ma, hs.Ten, hs.GioiTinh, hs.NgaySinh , hs.Email, hs.DanToc, hs.Lopma ,"
// + " hs.Sodienthoai, hs.Diachi from Hocsinh hs");
//<<<<<<< HEAD
DataTable table = da.Query("select hs.Ma, hs.Ten, hs.GioiTinh, hs.NgaySinh, hs.Sodienthoai , hs.Email,hs.DanToc, "
+ "hs.DiaChi, hs.Sodienthoai, lhp.ma as [Lopma] from Hocsinh hs inner join Lophocphan lhp on hs.Lopma = lhp.ma where hs.Trangthai=1");
//=======
// DataTable table = da.Query("select hs.Ma, hs.Ten, hs.GioiTinh, hs.NgaySinh, hs.Sodienthoai , hs.Email,hs.DanToc,hs.DiaChi, hs.Sodienthoai, lhp.ma as [Lopma] from Hocsinh hs inner join Lophocphan lhp on hs.Lopma = lhp.ma where hs.Trangthai=1");
//>>>>>>> 62440c2b927b403c2b74c7968b4d4de2fddb1bbb
int n = table.Rows.Count;
int i;
if (n == 0)
{
return(null);
}
HocSinh[] list = new HocSinh[n];
for (i = 0; i < n; i++)
{
list[i] = getHocSinh(table.Rows[i]);
}
return(list);
}
private void button1_Click(object sender, EventArgs e)
{
HocSinh gv = new HocSinh();
gv.MaHS = textBox1.Text;
gv.HoTen = textBox2.Text;
gv.DiaChi = textBox3.Text;
gv.TenLop = comboBox2.Text;
gv.GT = comboBox1.Text;
gv.NgaySinh = dateTimePicker1.Value;
bool add = new HocSinhDAO().Insert(gv);
if (!add)
{
MessageBox.Show("Mã HS đã tồn tại", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show("Đã thêm học sinh", "Thành công", MessageBoxButtons.OK, MessageBoxIcon.Information);
dtg_HocSinh.DataSource = new HocSinhDAO().ListAll();
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
}
}
public bool Them(HocSinh hs)
{
try
{
string query = @"INSERT INTO dbo.HocSinh
( MaHS ,
Ten ,
DiaChi ,
GioiTinh ,
NgaySinh ,
TenNguoiThan ,
MaLH
)
VALUES ( '" + hs.MaHS + "' ,N'" + hs.Ten + "' ,N'" + hs.DiaChi + "' ,N'" + hs.GioiTinh + "' ,'" + hs.NgaySinh + "' ,N'" + hs.TenNguoiThan + "' ,'" + hs.MaLH + "')";
OpenConection();
ExecuteQueries(query);
CloseConnection();
return(true);
}
catch (Exception ex)
{
SetEx(ex);
return(false);
}
}
public ActionResult HocSinh()
{
string connectString = ConfigurationManager.ConnectionStrings["QLSV"].ConnectionString;
SqlConnection conn = new SqlConnection(connectString);
string query = "SELECT sID,sName,C.cName FROM STUDENT JOIN CLASS AS C ON STUDENT.cID = C.CID";
if (conn.State == System.Data.ConnectionState.Closed)
{
conn.Open();
}
SqlCommand cmd = new SqlCommand(query, conn);
cmd.CommandType = System.Data.CommandType.Text;
SqlDataReader dr = cmd.ExecuteReader();
List <HocSinh> lstData = new List <HocSinh>();
while (dr.Read())
{
HocSinh hs = new HocSinh();
hs.sID = Convert.ToInt32(dr["sID"].ToString());
hs.sName = dr["sName"].ToString();
hs.cName = dr["cName"].ToString();
lstData.Add(hs);
}
return(View(lstData));
}
public bool Update(HocSinh hocSinh)
{
SqlConnection connection = new SqlConnection(connectionString);
try
{
if (connection.State == ConnectionState.Closed)
{
connection.Open();
}
string sql = "UPDATE HocSinh SET TenHS = @tenHS, DiaChi = @diaChi WHERE MaHS = @maHS";
SqlCommand command = new SqlCommand(sql, connection);
command.Parameters.AddWithValue("@maHS", hocSinh.MaHS);
command.Parameters.AddWithValue("@tenHS", hocSinh.TenHS);
command.Parameters.AddWithValue("@diaChi", hocSinh.DiaChi);
if (command.ExecuteNonQuery() > 0)
{
return(true);
}
connection.Close();
}
catch (Exception e)
{
return(false);
}
return(false);
}
private void btnEdit_Click(object sender, EventArgs e)
{
using (frmAddEditStudent fmAE = new frmAddEditStudent())
{
int selectIndex = dgvHocSinh.SelectedRows[0].Index;
string id = dgvHocSinh[0, selectIndex].Value.ToString();
fmAE.Id = id;
if (fmAE.ShowDialog() == DialogResult.OK)
{
HocSinh gv = fmAE.getHocSinh();
if (bsHs.UpdateHocSinh(gv))
{
MessageBox.Show("Sửa thành công", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Sửa thất bại", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
return;
}
}
}
public bool Delete(HocSinh hocSinh)
{
SqlConnection connection = new SqlConnection(connectionString);
try
{
if (connection.State == ConnectionState.Closed)
{
connection.Open();
}
string sql = "DELETE FROM HocSinh WHERE MaHS = @maHS";
SqlCommand command = new SqlCommand(sql, connection);
command.Parameters.AddWithValue("@maHS", hocSinh.MaHS);
if (command.ExecuteNonQuery() > 0)
{
return(true);
}
connection.Close();
}
catch (Exception e)
{
return(false);
}
return(false);
}
public async Task <IActionResult> PutHocSinh(int id, HocSinh hocSinh)
{
if (id != hocSinh.id)
{
return(BadRequest());
}
_context.Entry(hocSinh).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!HocSinhExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public IHttpActionResult PutHocSinh(int id, HocSinh hocSinh)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != hocSinh.MaHocSinh)
{
return(BadRequest());
}
db.Entry(hocSinh).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!HocSinhExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
private void TrangChu_Load(object sender, EventArgs e)
{
FormBorderStyle = FormBorderStyle.None;
WindowState = FormWindowState.Maximized;
hs = this.Tag as HocSinh;
gv = this.Tag as GiaoVien;
if (gv != null && gv.ten == "admin")
{
lbChucVu.Text = "Admin";
lbTenNguoiDung.Text = "Admin";
btnThongTinCaNhan.Visible = false;
}
else if (hs != null)
{
HocSinh hocsinh = db.HocSinh.Where(m => m.maHS == hs.maHS).SingleOrDefault();
lbChucVu.Text = "Học sinh";
lbTenNguoiDung.Text = hocsinh.ten.ToString();
}
else
{
GiaoVien giaovine = db.GiaoVien.Where(m => m.maGV == gv.maGV).SingleOrDefault();
lbChucVu.Text = "Giáo viên";
lbTenNguoiDung.Text = giaovine.ten.ToString();
}
}
private void btnDangnhap_Click(object sender, EventArgs e)
{
GiaoVien gv = db.GiaoVien.Where(m => m.taiKhoan == txtname.Text && m.matKhau == txtpasswold.Text).SingleOrDefault();
HocSinh hs = db.HocSinh.Where(m => m.taiKhoan == txtname.Text && m.matKhau == txtpasswold.Text).SingleOrDefault();
if (gv == null && hs == null)
{
MessageBox.Show("Tài khoản hoặc mật khẩu không chính xác!", "Đăng nhập không thành công", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
else
{
if (gv != null)
{
QuanLyAdmin ql = new QuanLyAdmin();
this.Hide();
ql.Tag = gv;
ql.ShowDialog();
this.Close();
}
else
{
QuanLyAdmin ql = new QuanLyAdmin();
this.Hide();
ql.Tag = hs;
ql.ShowDialog();
this.Close();
}
}
}
private void btnThemHS_Click(object sender, EventArgs e)
{
if (txtMaHS.Text != "" && txtHoHS.Text != "" && txtTenHS.Text != "" &&
txtHTBo.Text != "" && txtHTMe.Text != "" && txtDC.Text != "" && txtSDT.Text != "")
{
HocSinh hs = new HocSinh(txtMaHS.Text, txtHoHS.Text, txtTenHS.Text, dtpNS.Value,
cbbGT.Text, txtDC.Text, txtSDT.Text, txtHTBo.Text, txtNNBo.Text, txtHTMe.Text, txtNNMe.Text);
if (chs.themHocSinh(hs))
{
MessageBox.Show("thêm thành công! Vui lòng lựa chọn lớp học cho học sinh vừa thêm");
frmThemHSDSLop f = new frmThemHSDSLop();
this.Hide();
//f.ShowDialog();
//f.Close();
f.Show();
}
else
{
MessageBox.Show("thêm không thành công");
}
}
else
{
MessageBox.Show("xin vui lòng nhập đủ thông tin");
}
}
public static List <HocSinh> layDSHocSinh()
{
List <HocSinh> dsHS = new List <HocSinh>();
DataTable dtHS = DataProvider.TruyVan_LayDuLieu("SELECT * FROM HocSinh");
foreach (DataRow r in dtHS.Rows)
{
HocSinh hs = new HocSinh
{
MaHS = r["MaHS"].ToString(),
TenHS = r["TenHS"].ToString(),
DiaChi = r["DiaChi"].ToString(),
MaLop = r["MaLop"].ToString()
};
if (r["NgaySinh"].ToString() != "")
{
hs.NgaySinh = DateTime.Parse(r["NgaySinh"].ToString());
}
if (r["DTB"].ToString() != "")
{
hs.DTB = double.Parse(r["DTB"].ToString());
}
dsHS.Add(hs);
}
return(dsHS);
}
public void SuaHocSinh(HocSinh hs)
{
string query = string.Format("UPDATE dbo.HOCSINH SET HOTEN ='{0}' ,GIOITINH='{1}',NGAYSINH='{2}',NOISINH='{3}',DANTOC='{4}',TONGIAO='{5}' WHERE MAHOCSINH= {6}", hs.HoTen, hs.GioiTinh, hs.NgaySinh.ToShortDateString(), hs.NoiSinh, hs.DanToc, hs.TonGiao, hs.MaHocSinh);
DatabaseConnect dtConnet = new DatabaseConnect();
dtConnet.ExecuteNonQuery(query);
}
public static List <HocSinh> timTheoTenHS(string ten)
{
List <HocSinh> dsHS = new List <HocSinh>();
SqlParameter[] pa = new SqlParameter[1];
pa[0] = new SqlParameter("Ten", ten);
DataTable dtHS = DataProvider.SelectData("SELECT * FROM HocSinh WHERE TenHS LIKE N'%' + @Ten + '%'", CommandType.Text, pa);
foreach (DataRow r in dtHS.Rows)
{
HocSinh hs = new HocSinh
{
MaHS = r["MaHS"].ToString(),
TenHS = r["TenHS"].ToString(),
DiaChi = r["DiaChi"].ToString(),
MaLop = r["MaLop"].ToString()
};
if (r["NgaySinh"].ToString() != "")
{
hs.NgaySinh = DateTime.Parse(r["NgaySinh"].ToString());
}
if (r["DTB"].ToString() != "")
{
hs.DTB = double.Parse(r["DTB"].ToString());
}
dsHS.Add(hs);
}
return(dsHS);
}
public HocSinh GetHocSinh(string mahocsinh)
{
OpenConnection();
SqlCommand com = new SqlCommand();
com.CommandType = CommandType.Text;
com.CommandText = "Select * from HOCSINH where mahocsinh=@ma";
com.Parameters.Add("@ma", SqlDbType.Int).Value = Int32.Parse(mahocsinh);
com.Connection = conn;
SqlDataReader reader = com.ExecuteReader();
List <HocSinh> listdshocsinh = new List <HocSinh>();
HocSinh dshocsinh = null;
if (reader.Read())
{
string ma = reader.GetInt32(0) + "";
String ten = reader.GetString(1);
string gioitinh = reader.GetString(2);
string namsinh = reader.GetDateTime(3).ToString();
string diachi = reader.GetString(4);
string email = reader.GetString(5);
string trangThai = reader.GetString(6);
dshocsinh = new HocSinh(ma, ten, gioitinh, diachi, email, namsinh, trangThai);
listdshocsinh.Add(dshocsinh);
}
reader.Close();
CloseConnection();
return(dshocsinh);
}
static void Main(string[] args)
{
int spt, i, tam = 0;
HocSinh[] hs;
do
{
Console.Write("Nhap so luong phan tu cua mang: ");
spt = int.Parse(Console.ReadLine());
if (spt < 0 || spt > 10)
{
Console.WriteLine("so luong phan tu cua mang khong hop le xin kiem tra lai !");
}
} while (spt < 0 || spt > 10);
hs = new HocSinh[spt];
// Nhap hoc sinh
for (i = 0; i < hs.Length; i++)
{
hs[i] = Nhap();
}
// Xuat danh sach hoc sinh
for (i = 0; i < hs.Length; i++)
{
Xuat(hs[i]);
}
// danh sach gioi toan
for (i = 0; i < hs.Length; i++)
{
dshctoan(hs[i]);
}
Console.ReadKey();
}
public List <HocSinh> GetDSHocSinhTheoLop(string maLop)
{
OpenConnection();
SqlCommand com = new SqlCommand();
com.CommandType = CommandType.Text;
com.CommandText = "select * from hocsinh,QUATRINHHOCTAP where HOCSINH.MaHocSinh=QUATRINHHOCTAP.MaHocSinh and malop=@ma";
com.Parameters.Add("@ma", SqlDbType.VarChar).Value = maLop;
com.Connection = conn;
SqlDataReader reader = com.ExecuteReader();
List <HocSinh> listdshocsinh = new List <HocSinh>();
string namsinh = null;
while (reader.Read())
{
string ma = reader.GetInt32(0).ToString();
String ten = reader.GetString(1);
string gioitinh = reader.GetString(2);
namsinh = reader.GetDateTime(3).ToString();
string diachi = reader.GetString(4);
string email = reader.GetString(5);
string trangThai = reader.GetString(6);
HocSinh dshocsinh = new HocSinh(ma, ten, gioitinh, diachi, email, namsinh, trangThai);
listdshocsinh.Add(dshocsinh);
}
reader.Close();
CloseConnection();
return(listdshocsinh);
}
public static bool suaHocSinh(HocSinh hs)
{
//kiểm tra ràng buộc tự nhiên
//RBTN1: tên phải có
if (hs.TenHS == "")
{
return(false);
}
//kiểm tra ràng buộc nghiệp vụ
//RBNV1 : tuổi tối thiểu 15
int tuoi = DateTime.Now.Year - hs.NgaySinh.Year;
if (tuoi < 15)
{
return(false);
}
//thực hiện thêm
try
{
HocSinhDAO.suaHocSinh(hs);
return(true);
}
catch
{
return(false);
}
}
