private void ReplaceImge() { string imgName = this.commdodityModel.CommodityImg; //当前图片数量加1 var contentBytes = File.ReadAllBytes(this.tbImg.Text); string imgContent = Convert.ToBase64String(contentBytes); var replaceRes = WebRequestUtil.ReplaceCommodityImg(this.previousImg, imgName, imgContent); if (replaceRes != null) { LogUtil.Info("AddUpdateCommodityFrm.ReplaceImage successfully!"); } else { LogUtil.Error("AddUpdateCommodityFrm.ReplaceImage failed!replaceRes is null!"); } }