protected void uploadBtn_Click(object sender, EventArgs e)
{
User user = (User)Session["currentUser"];
int tradingID = -1;
int bookID = -1;
if (user != null)
{
BookDAO bookDAO = new BookDAO();
Book book = bookDAO.getByISBN(isbn.Text.Trim());
if (book == null)
{
string filename = uploadBookCover();
bookID = bookDAO.CreateBook(title.Value.Trim(), author.Value.Trim(), isbn.Text.Trim(), language.Value.Trim(), description.Value.Trim(), filename, user.Id, int.Parse(cate.SelectedItem.Value));
}
else
{
bookID = book.Id;
}
if (bookID != -1)
{
TradingDAO tradingDAO = new TradingDAO();
tradingID = tradingDAO.CreateNewTrading(condition.Value.Trim(), bookID, user.Id);
uploadTradingImage(tradingID);
}
Response.Redirect(string.Format("BookDetail.aspx?id={0}", bookID));
}
}