private void bntTiepNhan_Click(object sender, EventArgs e) { if (txtTenNV.Text == "" || txtQueQuan.Text == "") { MessageBox.Show("Please, sigh enough.Thank you!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else if (dtpNgaySinhNV.Value > DateTime.Now) { MessageBox.Show("Please, Check your birthday again!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { string err = ""; string MSNV = db.TaoMa_NhanVien("NV", 5); // string GT = cboGioiTinhNV.SelectedItem.ToString(); string BP = cboBoPhan.SelectedItem.ToString(); string MaBoPhan = db.getMaBoPhan(BP).Tables[0].Rows[0]["MaBoPhan"].ToString(); if (!db.insertNhanVien(ref err, MSNV, txtTenNV.Text, dtpNgaySinhNV.Value, cboGioiTinhNV.SelectedItem.ToString(), txtQueQuan.Text, MaBoPhan, dtpNgayTiepNhanNV.Value)) { MessageBox.Show(err); } else { MessageBox.Show("Added", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); } } }