private void submitBtn_Click(object sender, EventArgs e)
{
// get input from various boxes
int width = int.Parse(widthBox.Text);
int depth = int.Parse(depthBox.Text);
int drawers = int.Parse(drawerBox.Text);
string mats = materialBox.Text;
int rushD = int.Parse(rushBox.Text);
string customer = customerBox.Text;
// plug into DeskQuote object
DeskQuote quote = new DeskQuote(width, depth, drawers, mats, rushD, customer);
// add quote to list and return to main menu
var mainMenu = (MainMenu)Tag;
// mainMenu.quotes.Add(quote);
mainMenu.Show();
Close();
}