private void button_createListing_Click(object sender, RoutedEventArgs e)
{
string t = textBox_bookTitle.Text;
string a = textBox_authors.Text;
string ed = textBox_edition.Text;
string i = textBox_isbn.Text;
string last = " ";
string[] strArray = comboBox_cC.SelectedItem.ToString().Split(); //to get 4 characters course code
Course course = new Course(strArray[1].Trim(), textBox_cL.Text); //since ToString() gives a bunch of gibberish
Condition cond = (Condition)comboBox_condition.SelectedItem;
double p = Convert.ToDouble(textBox_price.Text);
string des = textBox_description.Text;
Listing l = new Listing(t, a, ed, i, course, cond, p, last, des);
l.CreateListing(currtrad.Trader_id);
TraderHome frm = new TraderHome(currtrad);
frm.Show();
this.Close();
}
public virtual void AddListing(Listing listing, int trader_id)
{
listing.CreateListing(trader_id);
}