public frmThaoTacGV(string id) { InitializeComponent(); _ID = id; gvc = new GiaoVienController(); GiaoVien gv = new GiaoVien(); if (id == null) { txtMaGV.Enabled = true; return; } gv = gvc.GetData(id); txtMaGV.Text = gv.MaGV; txtHoTen.Text = gv.HoTen; DateTime _NgaySinh = (Convert.ToDateTime(gv.NgaySinh)); dtNgaySinh.Value = _NgaySinh; if (gv.GioiTinh == "False") { ckNam.Checked = true; } else if (gv.GioiTinh == "True") { ckNu.Checked = true; } txtSDT.Text = gv.Sdt; txtQueQuan.Text = gv.QueQuan; lblTen.Text = gv.HoTen; string gt = null; if (gv.GioiTinh == "False") { gt = "Nam"; } else if (gv.GioiTinh == "True") { gt = "Nữ"; } lblGoiTinh.Text = gt; int tuoi = DateTime.Now.Year - _NgaySinh.Year; lblTuoi.Text = tuoi.ToString() + " Tuổi"; }