private void btnUpdate_Click(object sender, EventArgs e) { int ID = int.Parse(txtBookID.Text); string Title = txtBookTitle.Text; float Price = float.Parse(txtBookPrice.Text); int Quantity = int.Parse(txtBookQuantity.Text); Book book = new Book { BookID = ID, BookTitle = Title, BookPrice = Price, BookQuantity = Quantity }; bool r = bookData.updateBook(book); string s = (r == true?"succeccful" : "fail"); MessageBox.Show("Update " + s); getAllBooks(); }
private void btnUpdate_Click(object sender, EventArgs e) { int ID, Quantity; int.TryParse(txtBookID.Text, out ID); string Title = txtBookTitle.Text; float Price; float.TryParse(txtBookPrice.Text, out Price); int.TryParse(txtBookQuantity.Text, out Quantity); Books book = new Books { ID = ID, Price = Price, Title = Title, Quantity = Quantity, }; bool r = bm.updateBook(book); string s = (r == true ? "Successfull" : "fail"); MessageBox.Show(s); getAllBooks(); }