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Have you generated the PDB files for your code? The PDB files need to be from <b>the exact</b> build that generated the code--that is, it can't just be the same source code, it has to be the PDB files that were output at the same time as the DLLs.
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Have you generated the PDB files for your code? The PDB files need to be from the exact build that generated the code--that is, it can't just be the same source code, it has to be the PDB files that were output at the same time as the DLLs.

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In addition to what kaufmed has stated, sometimes symbols (especially in Web services) will not be loaded until you call a method/route which requires (or imports) the depended code file where the break point is specified.<br />
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-saige-
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In addition to what kaufmed has stated, sometimes symbols (especially in Web services) will not be loaded until you call a method/route which requires (or imports) the depended code file where the break point is specified.

-saige-

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I deleted a space in the code and so I needed to redeploy...
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I deleted a space in the code and so I needed to redeploy...

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Deleting white space still requires a redeploy to debug.
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Deleting white space still requires a redeploy to debug.

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I'm working on an event receiver for a list in SharePoint 2016. &nbsp;I am having &nbsp;trouble getting the code to break. &nbsp;I attached to all the w3wp processes and as I'm attaching them, I see the breakpoint icon changing to hollow and it's popup says I'm not loading the documents symbols. &nbsp;<br />
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Any suggestions with this would be greatly appreciated.
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I'm working on an event receiver for a list in SharePoint 2016.  I am having  trouble getting the code to break.  I attached to all the w3wp processes and as I'm attaching them, I see the breakpoint icon changing to hollow and it's popup says I'm not loading the documents symbols.  

Any suggestions with this would be greatly appreciated.

Cannot attach processes to code

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Microsoft SharePoint

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).