private void button3_Click(object sender, EventArgs e) { try { ChiTietDoDungPhong eq = db.ChiTietDoDungPhongs.Single(x => x.MaVatTu == MaDoDung && x.MaPhong == MaPhong); db.ChiTietDoDungPhongs.Remove(eq); db.SaveChanges(); MessageBox.Show("Xóa Thành Công"); FormTrangBi_Load(sender, e); } catch (Exception ex) { MessageBox.Show("" + ex.Message); } }
private void button4_Click(object sender, EventArgs e) { try { ChiTietDoDungPhong eq = db.ChiTietDoDungPhongs.Single(x => x.MaVatTu == MaDoDung && x.MaPhong == MaPhong); //ChiTietDoDungPhong eq = db.ChiTietDoDungPhongs.Find(int.Parse(LbMaPhong.ToString())); eq.MaVatTu = int.Parse(cBTenVT.SelectedValue.ToString()); eq.TinhTrang = CheckTrangThai(); eq.GhiChu = tBGhiChu.Text; db.SaveChanges(); MessageBox.Show("Sua thanh cong"); FormTrangBi_Load(sender, e); } catch (Exception ex) { MessageBox.Show("" + ex.Message); } }
private void button2_Click(object sender, EventArgs e) { try { ChiTietDoDungPhong eq = new ChiTietDoDungPhong() { MaPhong = int.Parse(LbMaPhong.Text), MaVatTu = int.Parse(cBTenVT.SelectedValue.ToString()), TinhTrang = true, GhiChu = tBGhiChu.Text, }; db.ChiTietDoDungPhongs.Add(eq); db.SaveChanges(); MessageBox.Show("them thanh cong"); FormTrangBi_Load(sender, e); } catch (Exception ex) { MessageBox.Show("Them That bai. Chi tiet loi: " + ex.Message); } }