private void uploadImageBtn_MouseDown(object sender, MouseButtonEventArgs e) { OpenFileDialog op = new OpenFileDialog(); op.Title = "Chọn ảnh của chuyến đi"; op.Filter = "All supported graphics|*.jpg;*.jpeg;*.png|" + "JPEG (*.jpg;*.jpeg)|*.jpg;*.jpeg|" + "Portable Network Graphic (*.png)|*.png"; op.Multiselect = true; var o = op.ShowDialog(); if (o == true) { foreach (var name in op.FileNames) { // Copy file var folder = AppDomain.CurrentDomain.BaseDirectory; string newNameFile = Guid.NewGuid().ToString() + System.IO.Path.GetExtension(name); var targetPath = $"{folder}\\Assets\\Images\\Uploads\\"; var destFile = System.IO.Path.Combine(targetPath, newNameFile); System.IO.File.Copy(name, destFile, true); // Insert A Image To Trip var newImage = new ImageTrip() { Id = Guid.NewGuid().ToString(), NameImage = newNameFile }; TripDAO.InsertImage(idTrip, newImage); } MessageBox.Show("Đã tải lên thành công.", "Thông báo"); DisplayDetail(); } }