/// <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); } }