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Editorial Team
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Asked: 2026-06-04T02:09:24+00:00

I have a web application that is working great while running form VS, but

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I have a web application that is working great while running form VS, but once it’s published trying to navigate to the site throws a NullRefernceException. Here is the stack trace:

[NullReferenceException: Object reference not set to an instance of an object.]
DAL.VendorRepDAL.GetRepsInfo(List`1 fields) in C:\Users\mfoster\Desktop\EventPlanner\DAL\DAL.vb:649
EventPlanner.DealEntry.LoadData() in C:\Users\mfoster\Desktop\EventPlanner\EventPlanner\deals.aspx.vb:31
System.Web.UI.Control.LoadRecursive() +70
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3063

I think the problem may have something to do with the fact that file paths in the stack trace are referencing my hard drive for some reason. If that’s the case I’m not how to fix it.

Thanks For any help.

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1 Answer

  1. Editorial Team

    Sherlock Holmes might deduce that since this error comes from a class named DAL, either:

    • Your live application does not have a valid database connection string, or
    • The database your live application is connecting to does not have the tables and/or rows and/or data that it expects.

    The rest of us, however, might need to see a bit more code, such as the GetRepsInfo method that seems to be throwing.

    Common causes and fixes for NullReferenceException can be found here: What is a NullReferenceException, and how do I fix it?

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