Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   tmp.webbase.SetBrowseHistoryCookie(Int32 proid) in F:\TFS\2020\960CloudWebSql\ReleaseBranch\V3.2Branch\ZJLianShuo2020\Web960Tmp\webbase.cs:775
   tmp.webbase.SetBrowseHistory(Int32 proid) in F:\TFS\2020\960CloudWebSql\ReleaseBranch\V3.2Branch\ZJLianShuo2020\Web960Tmp\webbase.cs:761
   tmp.webbase.GetProductInfoByProNo(String prono) in F:\TFS\2020\960CloudWebSql\ReleaseBranch\V3.2Branch\ZJLianShuo2020\Web960Tmp\webbase.cs:682
   tmp.webbase.RequestData() in F:\TFS\2020\960CloudWebSql\ReleaseBranch\V3.2Branch\ZJLianShuo2020\Web960Tmp\webbase.cs:493
   tmp.webbase.PageLoad(EventArgs e) in F:\TFS\2020\960CloudWebSql\ReleaseBranch\V3.2Branch\ZJLianShuo2020\Web960Tmp\webbase.cs:252
   tmp.webbase.OnPreInit(EventArgs e) in F:\TFS\2020\960CloudWebSql\ReleaseBranch\V3.2Branch\ZJLianShuo2020\Web960Tmp\webbase.cs:229
   System.Web.UI.Page.PerformPreInit() +36
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1132

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3535.0