[NullReferenceException: 未将对象引用设置到对象的实例。]
Hidistro.SqlDal.Commodities.ProductBrowseDao.GetProductBrowseInfo(Int32 productId, Int32 gradeId, Nullable`1 maxConsultationNum, Boolean MutiStores) +2502
Hidistro.SaleSystem.Catalog.ProductBrowser.GetProductBrowseInfo(Int32 productId, Nullable`1 maxConsultationNum, Boolean MutiStores, Int32 gradeId) +563
Hidistro.UI.SaleSystem.CodeBehind.ProductDetails.AttachChildControls() +8043
Hidistro.UI.Common.Controls.HtmlTemplatedWebControl.CreateChildControls() +142
System.Web.UI.Control.EnsureChildControls() +105
System.Web.UI.Control.PreRenderRecursiveInternal() +65
System.Web.UI.Control.PreRenderRecursiveInternal() +255
System.Web.UI.BasePartialCachingControl.PreRenderRecursiveInternal() +133
System.Web.UI.Control.PreRenderRecursiveInternal() +255
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6874
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