public void LoadSelectedForm()
        {
            frmShopReturn shopReturn = new frmShopReturn()
            {
                FormMode = "Old"
            };

            shopReturn.Show();
        }
        public void LoadNewForm()
        {
            frmShopReturn shopReturn = new frmShopReturn()
            {
                FormMode     = "New",
                LoggedInUser = UserID
            };

            shopReturn.Show();
        }