/// <summary>
/// This handler causes server-side validation and adds to a list of books based on web form input.
/// </summary>
protected void saveButton_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
con = new ConnectionClass();
con.AddEntry(isbnTextBox.Text, nameTextBox.Text, authorTextBox.Text, genreDropDownList.SelectedItem.Text, pagesTextBox.Text, lendedCheckBox.Checked, friendNameTextBox.Text, commentsTextBox.Text);
}
}