[NullReferenceException: Object reference not set to an instance of an object.]
FBucket.DAL.D_T_Product.Update(M_T_Product model) in f:\20200807\20200409\20200903磁能检测加手机版\磁能检测\FBucket.DAL\D_T_Product.cs:113
FBucket.Admin.showpro.Page_Load(Object sender, EventArgs e) in F:\20200807\20200409\20200903磁能检测加手机版\磁能检测\FBucket.Admin\showpro.aspx.cs:34
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +91
System.Web.UI.Control.LoadRecursive() +74
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207
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