private void btnUpdateBook_Click(object sender, EventArgs e) { bookName = txtBookName.Text; author = txtBookAuthor.Text; publisher = txtBookPublisher.Text; ISBN = txtBookISBN.Text; for (int i = 0; i < descrpition.Length; i++) { desc = desc + descrpition[i] + ".\n"; } desc = txtBookDescription.Text; string details = bookID + ";" + bookName + ";" + author + ";" + publisher + ";" + ISBN + ";" + desc; if (db.updateBookdetailsData(details)) { MessageBox.Show("Book successfully Update"); } else { MessageBox.Show("Book NOT successfully Update"); } }