private void cbbDanhMuc_SelectedIndexChanged(object sender, EventArgs e) { if (cbbDanhMuc.SelectedValue.ToString() == "System.Data.DataRowView") { } else { var id = cbbDanhMuc.SelectedValue.ToString(); idDanhmuc = Convert.ToInt32(id); FMain_Load(sender, e); } DAO_Main main = new DAO_Main(); cbbSanPham.DataSource = main.ListSP_DanhMuc(idDanhmuc); if (main.ListSP_DanhMuc(idDanhmuc).Count() == 0) { cbbSanPham.Text = ""; lbSoLuong.Text = "0"; lv.Items.Clear(); } else { cbbSanPham.DisplayMember = "TenSanPham"; cbbSanPham.ValueMember = "ID"; var id = cbbSanPham.SelectedValue.ToString(); idSanPham = Convert.ToInt32(id); int soluong = main.SoLuong(idSanPham); lbSoLuong.Text = soluong.ToString(); db = new QuanLyKhoHangDataContext(); string href = "H:\\project\\c#\\Wfrom\\QuanLyKhoHnag_ChuoiCuaHangTienIch\\QuanLyKhoHnag_ChuoiCuaHangTienIch\\Image\\"; var sanpham = db.SanPhams.SingleOrDefault(x => x.ID == idSanPham); pictureBox1.Image = Image.FromFile(href + sanpham.HinhAnh); } }
private void cbbSanPham_SelectedIndexChanged(object sender, EventArgs e) { if (cbbSanPham.SelectedValue.ToString() == "System.Data.DataRowView") { } else if (cbbSanPham.SelectedValue.ToString() == "QuanLyKhoHnag_ChuoiCuaHangTienIch.DTO.DTO_SanPham") { } else { var id = cbbSanPham.SelectedValue.ToString(); idSanPham = Convert.ToInt32(id); DAO_Main main = new DAO_Main(); int soluong = main.SoLuong(idSanPham); lbSoLuong.Text = soluong.ToString(); FMain_Load(sender, e); db = new QuanLyKhoHangDataContext(); string href = "H:\\project\\c#\\Wfrom\\QuanLyKhoHnag_ChuoiCuaHangTienIch\\QuanLyKhoHnag_ChuoiCuaHangTienIch\\Image\\"; var sanpham = db.SanPhams.SingleOrDefault(x => x.ID == idSanPham); pictureBox1.Image = Image.FromFile(href + sanpham.HinhAnh); } }