private void btnPlaceOrder_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(txtUsername.Text)) { MessageBox.Show("Enetr Name"); } if (string.IsNullOrEmpty(txtCNIC.Text)) { MessageBox.Show("Enter your CNIC"); } if (string.IsNullOrEmpty(txtAddress.Text)) { MessageBox.Show("Enter postal address"); } if (!chkYes.Checked) { MessageBox.Show("Approve your status"); } else { localhost.Order order = new localhost.Order(); order.Name = txtUsername.Text; order.Adress = txtAddress.Text; order.Shoe = MyUtils.curr_shoe; localhost.Service1 ns = new localhost.Service1(); ns.PlaceOrder(order); MessageBox.Show("Your order has been placed"); } }