private void BTN_AddItem_Click(object sender, EventArgs e) { try { Item item = new Item() { name = TXTB_AddName.Text, stock = int.Parse(TXTB_AddStock.Text), price = double.Parse(TXTB_AddPrice.Text), course = DB_AddCourse.Text, description = TXTB_AddDescription.Text, tax = int.Parse(DB_AddTAX.Text.Substring(0, 1)), foodtype = DB_AddType.Text }; itemLogic.Additem(item); MessageBox.Show("Item was succesfully Added"); ShowPanel("PNL_ManageStock"); } catch { MessageBox.Show("Niet alle velden zijn gevuld"); } }