private void booksAddButton_Click(object sender, EventArgs e) { if (titleTextBox.Text == "" || yearTextBox.Text == "" || authorsBooksCombobox.SelectedItem == null || publishersBooksCombobox.SelectedItem == null || genreBooksCombobox.SelectedItem == null || locationBooksCombobox.SelectedItem == null) { MessageBox.Show("Preverite vnos. Eno izmed polij ni napolnjeno."); } else { databaseController dbc = new databaseController(); int id_b = 0; string title = titleTextBox.Text; string summary = Convert.ToString(summaryTextBox.Text); string year = Convert.ToString(yearTextBox.Text); int lost = 0; string publish_date = Convert.ToString(DateTime.Now.Date.ToString("MM/dd/yyyy")); if (lostBookCheckBox.Checked) { lost = 1; } else { lost = 0; } #region genre_id string selectedGenre1 = genreBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedGenre1 = selectedGenre1.Trim(); string[] GenreID1 = selectedGenre1.Split('|'); selectedGenre1 = GenreID1[1].Trim(); int genre_id = Convert.ToInt32(GenreID1[0].Trim()); #endregion #region publisher_id string selectedPublisher = publishersBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedPublisher = selectedPublisher.Trim(); string[] PublisherID = selectedPublisher.Split('|'); selectedPublisher = PublisherID[1].Trim(); int publisher_id = Convert.ToInt32(PublisherID[0].Trim()); selectedPublisher = publishersNameTextBox.Text; MessageBox.Show(Convert.ToString(publisher_id)); #endregion #region location_id string selectedLocation = locationBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedLocation = selectedLocation.Trim(); string[] LocationID = selectedLocation.Split('|'); selectedLocation = LocationID[1].Trim(); string postalcode = LocationID[2].Trim(); int location_idd = Convert.ToInt32(LocationID[0].Trim()); MessageBox.Show("locationid" + Convert.ToString(location_idd) + selectedLocation + postalcode); #endregion Books b = new Books(id_b, title, summary, year, lost, genre_id, publisher_id, location_idd); dbc.SaveBooks(b); dbc.idBooks(b); int book_id = 0; foreach (int k in dbc.idBooks(b)) { book_id = k; } //getting genre id #region genre_id string selectedGenre = genreBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedGenre = selectedGenre.Trim(); string[] GenreID = selectedGenre.Split('|'); selectedGenre = GenreID[1].Trim(); int id_g = Convert.ToInt32(GenreID[0].Trim()); //selectedGenre = genresNametextBox.Text; //g_description = genresDescriptionrichTextBox.Text; #endregion //getting author id #region author_id string selectedAuthor = authorsBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedAuthor = selectedAuthor.Trim(); string[] AuthorID = selectedAuthor.Split('|'); selectedAuthor = AuthorID[1].Trim(); string surname = AuthorID[2].Trim(); int id_a = Convert.ToInt32(AuthorID[0].Trim()); #endregion //getting book_id Book_Authors ba = new Book_Authors(id_a, book_id); dbc.SaveBooksAuthors(ba); DateTime currentDateTime = DateTime.Now; Rents rentss = new Rents(0, 0, Convert.ToString(currentDateTime), book_id, 0); dbc.SaveBookRents(rentss); bookslistBox.Items.Clear(); OutputBooks(); userUnLendedBookslistBox.Items.Clear(); userLendedBookslistBox.Items.Clear(); //OutputBooksOnRents_Lended(); OutputBooksOnRents_UnLended(); } }