private void cbbLoaiHangHoa_SelectionChangeCommitted(object sender, EventArgs e) { int loaiHH = int.Parse(cbbLoaiHangHoa.SelectedValue.ToString()); HangHoaService hangHoaService = new HangHoaService(); List <HangHoa> lHangHoa = hangHoaService.GetHangHoaByMaLoai(loaiHH); dgvHangHoa.DataSource = lHangHoa; }
private void txtTenHangHoa_TextChanged(object sender, EventArgs e) { if (txtTenHangHoa.TextLength >= 3) { string tenHH = txtTenHangHoa.Text; HangHoaService hangHoaService = new HangHoaService(); List <HangHoa> lHangHoa = hangHoaService.GetHangHoaByTenHH(tenHH); dgvHangHoa.DataSource = lHangHoa; } }
private void btnThem_Click(object sender, EventArgs e) { try { HangHoa hh = GetInputForm(); HangHoaService hangHoaService = new HangHoaService(); hangHoaService.Add(hh); this.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error); } }