private void ToolStripMenuItemLeaveFeedback_Click(object sender, EventArgs e) { DataGridViewSelectedRowCollection selectedRows = this.dataGridViewAllOrders.SelectedRows; foreach (DataGridViewRow row in selectedRows) { String orderLineItemId = row.Cells[OrderDgv_OrderLineItemIndex].Value.ToString(); EbayTransactionType trans = EbayTransactionDAL.GetOneTransaction(orderLineItemId); if (trans == null) { continue; } AccountType account = AccountUtil.GetAccount(trans.SellerName); if (account == null) { continue; } EbayTransactionBiz.LeaveFeedback(account, trans.OrderId, trans.BuyerId, trans.ItemId, trans.EbayTransactionId); EbayTransactionDAL.UpdateTransactionSellerLeftFeedback(trans.TransactionId, true); row.Cells[OrderDgv_SellerLeftFeedbackIndex].Value = 1; } MessageBox.Show("留好评成功", "恭喜", MessageBoxButtons.OK, MessageBoxIcon.Information); }