private void title_Validating(object sender, CancelEventArgs e)
{
if (BookPropertyValidator.ValidateAuthor(titleTextBox.Text))
{
e.Cancel = false;
if (!String.IsNullOrWhiteSpace(titleTextBox.Text))
{
titleTextBox.BackColor = Color.FromArgb(154, 208, 208);
}
}
else
{
e.Cancel = true;
titleTextBox.BackColor = Color.FromArgb(214, 140, 140);
MessageBox.Show("Invalid title.\nSample: Midnight Rain");
invalidTitleLabel.Visible = true;
}
}
private void genre_Validating(object sender, CancelEventArgs e)
{
if (BookPropertyValidator.ValidateAuthor(genreTextBox.Text))
{
e.Cancel = false;
if (!String.IsNullOrWhiteSpace(genreTextBox.Text))
{
genreTextBox.BackColor = Color.FromArgb(154, 208, 208);
}
}
else
{
e.Cancel = true;
genreTextBox.BackColor = Color.FromArgb(214, 140, 140);
MessageBox.Show("Invalid genre.\nSample: Fantasy");
invaledGenreLabel.Visible = true;
}
}
private void author_Validating(object sender, CancelEventArgs e)
{
if (BookPropertyValidator.ValidateAuthor(authorTextBox.Text))
{
e.Cancel = false;
if (!String.IsNullOrWhiteSpace(authorTextBox.Text))
{
authorTextBox.BackColor = Color.FromArgb(154, 208, 208);
}
}
else
{
e.Cancel = true;
authorTextBox.BackColor = Color.FromArgb(214, 140, 140);
MessageBox.Show("Invalid author.\nSample: Surname, Forename\nRalls, Kim");
invalidAuthorLabel.Visible = true;
authorSampleLabel.Visible = true;
}
}