// <summary>
        // 上游随货pdf文档预览传base64
        // </summary>
        // <param name = "condition" ></ param >
        // < returns ></ returns >
        public string GetDownPicture(UpGoodsCondition condition)
        {
            var rolecode = _ProjectDataContext.UpGoodsModel.Where(x => x.GoodSNumber.Equals(condition.GoodSNumber)).ToList().FirstOrDefault();
            byte[] img = rolecode.Doc;
            string base64GoodsString = Convert.ToBase64String(img);
            return base64GoodsString;
        }

<div class="row">
                                    <div class="col-lg-6 col-md-6">
                                        订单号：{{ modalDocumentNumber }}
                                    </div>
                                    <div class="col-lg-6 col-md-6">
                                        订单日期：{{ modalDocumentdate | date }}
                                    </div>
                                    <div class="col-lg-6 col-md-6">
                                        客户名称：{{ filter.customerCode }} &nbsp; {{ filter.customerName }}
                                    </div>
                                    <div class="col-lg-12 col-md-12">
                                        <img class="image-style" alt="销售订单对应采购发票" src="data:image/png;base64,@base64GoodsString">
                                    </div>
                                </div>