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Dynamics 365 Community / Forums / Microsoft Dynamics RMS (Archived) / Any way I can get the ...
Microsoft Dynamics RMS (Archived)

Any way I can get the line number info from stack trace?

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Posted on by Diehard 165

Hello,

Writing a DLL add-in......

Process(Object ...) {

     blah..

}

In that Process method, if one of my dynamic bound object is null and being accessed, then it throws RuntimeBinderException: Cannot perform runtime binding on a null reference., obviously.

When I looked into the StackTrace info after catching that exception, unfortunately, it didn't say any line number where the exception was thrown.

I kinda could guess why it doesn't have line number info, but is there anyway somehow I can get that line number info? StackTrace/StracFrame class seems not help either...

Thanks,

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I have the same question (0)
  • raelhefn Profile Picture
    raelhefn on at

    If you need the line number for more than just the formatted stack trace you get from Exception.StackTrace, you can use the StackTrace class:

    try {

    throw new Exception();

    } catch (Exception ex)

    { // Get stack trace for the exception with source file information

    var st = new StackTrace(ex, true);

    // Get the top stack frame

    var frame = st.GetFrame(0);

    // Get the line number from the stack frame

    var line = frame.GetFileLineNumber();

    }

  • Diehard Profile Picture
    Diehard 165 on at

    Have u tried this code under COM Add-in?

    Didn't I say I tried StrackTrace?

    This code wouldn't work. Since the COM Add-in runs under POS exe file context, I really can't find any reliable way to find the line number of my Add-in code from the stack trace, unfortunately.

  • raelhefn Profile Picture
    raelhefn on at

    if you use this class in debugging mode it will give you line number.

  • Diehard Profile Picture
    Diehard 165 on at

    Nope it won't

  • raelhefn Profile Picture
    raelhefn on at

    try to trace your code using breakpoints on debugging mode.

  • Diehard Profile Picture
    Diehard 165 on at

    Thanks for keep suggesting, but please re-read my question.

  • Suggested answer
    Community Member Profile Picture
    Community Member on at

    Seem to have found the solution. On VS2010 at least, with Output Debug Info set to full I also did not get line numbers within the exceptions. The trick it seems was to turn on line numbers within the editor. (Tools -> Options -> Text Editor -> All Languages -> General -> Display -> Line numbers)

  • Diehard Profile Picture
    Diehard 165 on at

    Thanks for your suggestion.  I haven't tried this option, I will try tonight.

    But I don't think this will give you the line number from the exception.

    I am pretty sure this line numbers checkbox just give you the line number in the text editor in VS environment.

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