private void button1_Click(object sender, EventArgs e) { Database2Entities content = new Database2Entities(); Category Category = new Category(); Category.Title = cattxt.Text; content.Categories.Add(Category); content.SaveChanges(); MessageBox.Show("New category added"); }
private void button2_Click(object sender, EventArgs e) { Database2Entities content = new Database2Entities(); var book = content.Books.Where(x => x.ISBN == risbntxt.Text).FirstOrDefault(); var bookqty = book.Quantity - Convert.ToInt32(rqtytxt.Text); book.Quantity = bookqty; content.SaveChanges(); MessageBox.Show($"Book{rqtytxt.Text} removed"); }
private void button2_Click(object sender, EventArgs e) { IssueBook book = new IssueBook(); book.Enrollment = studentetxt.Text; book.ISBN = ISBNTxt.Text; //book.IssueReturn = true; var singlebook = context.Books.Where(x => x.ISBN == ISBNTxt.Text); context.IssueBooks.Add(book); context.SaveChanges(); }
private void button1_Click(object sender, EventArgs e) { Database2Entities context = new Database2Entities(); Book book = new Book(); book.ISBN = isbntxt.Text; book.Title = titletxt.Text; book.Category = cateCombo.SelectedText; book.Quantity = Convert.ToInt32(Qtytxt.Text); context.Books.Add(book); context.SaveChanges(); }