Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,577 questions
Blazor WASM .net 5 Debug.WriteLine not working
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 0%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECB%3C/text%3E%3C/svg%3E)
Carl Blanchard
1
Reputation point
Since .net 5 in my Blazor WASM solution Debug.WriteLine no longer works? why is this?
Console.WriteLine does work but I would prefer to use Debug.WriteLine as it's conditionally omitted from the production compilation.
Is it something I need to configure to get working again?
Regards
{count} votes
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Carl Blanchard 1 Reputation point
2021-06-14T12:49:18.957+00:00 I've tried the following suggestions. (no change)
https://stackoverflow.com/questions/9369820/debug-writeline-shows-nothing -
Carl Blanchard 1 Reputation point
2021-06-14T12:56:11.743+00:00 I have created a .net core 3.1 blazor app and Debug.WriteLine works fine along with Console.WriteLine - So it must be something to do with the .net 5 framework
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(288, 78%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBZ%3C/text%3E%3C/svg%3E)
Brando Zhang-MSFT 3,686 Reputation points Microsoft Vendor2021-06-15T09:49:20.93+00:00 Do you face any error message or else inside the console? Besides, I could reproduce this issue, I have already created a github issue for this problem, you could follow that github link.
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Carl Blanchard 1 Reputation point
2021-06-15T13:58:34.863+00:00 Hi Brando, nope, no error message or anything It just doesn't work. I saw your GitHub post. Hopefully, it gets fixed quickly.
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