private void Returnbtn_Click(object sender, EventArgs e) { try { Reader r = new Reader(); loan l = new loan(usernamereturn.Text, Convert.ToInt32(textBox1.Text)); if (r.Data_is_correct(usernamereturn.Text, Convert.ToInt32(textBox1.Text)) != 0) { if (l.Check_data_is_true_in_request(ISBNForreturnBook.Text) != 0) { if (l.return_book(ISBNForreturnBook.Text)) { MessageBox.Show("You return book in the time"); } else { MessageBox.Show("Ufortunatly you blocked due to late in return book"); } } else { MessageBox.Show("There are an error of request data you entered"); } } else { MessageBox.Show("Data of reader is in correct"); } } catch (Exception) { } }
private void button4_Click(object sender, EventArgs e) { try { Reader r = new Reader(); context c = new context(); loan l = new loan(usernametxt.Text, Convert.ToInt32(ReaderIDtxt.Text)); c.Setstrategy(new loan(usernametxt.Text, Convert.ToInt32(ReaderIDtxt.Text))); if (r.Data_is_correct(usernametxt.Text, Convert.ToInt32(ReaderIDtxt.Text)) == 1) { if (l.Check_data_is_true_in_request(ISBNtxt.Text) == 0) { if (r.Checking_block_or_not(usernametxt.Text, Convert.ToInt32(ReaderIDtxt.Text))) { if (c.Execute_strategy(ISBNtxt.Text)) { MessageBox.Show("Done"); } else { MessageBox.Show("Unfortunately there are no copies from this book"); } } else { MessageBox.Show("Unfortunately you are blocked"); } } else { MessageBox.Show("There is the same data for current request"); } } else { MessageBox.Show("Error in Data you entered"); } } catch (Exception) { MessageBox.Show("You forget to enter some data"); } }