private void btnReplace_Click(object sender, System.EventArgs e) { if (!SubsiteSalesHelper.CanPurchaseReplace(this.hidPurchaseOrderId.Value)) { this.ShowMsg("已有待确认的申请!", false); return; } if (SubsiteSalesHelper.ApplyForPurchaseReplace(this.hidPurchaseOrderId.Value, this.txtReplaceRemark.Text)) { this.BindPurchaseOrders(); this.ShowMsg("成功的申请了换货", true); return; } this.ShowMsg("申请换货失败", false); }