private void submit_Click(object sender, EventArgs e) { try { if (voidPassword.Text != string.Empty) { TextBox[] cancel = new TextBox[] { cancelSales.txtId, cancelSales.txtpcode, cancelSales.txtqty, cancelSales.txtcancelledBy, cancelSales.txtreasons, cancelSales.txtcancelQty, cancelSales.txtprice }; ComboBox[] inventory = new ComboBox[] { cancelSales.inventory }; pos.cancelItems(voidUsername.Text, voidPassword.Text, cancel, inventory); cancelSales.refreshRecords(); cancelSales.Hide(); this.Hide(); } } catch (Exception ex) { MessageBox.Show(ex.Message); } }