January 2022 PBI RS: Parameter values from query string are not properly decoded in RDL report

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SagarSalvi wrote:

 We are expecting fix from reporting module.

 

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Then you really need to log an official support ticket.

I did a quick test with HttpUtility.UrlEncode and UrlDecode and I can confirm that the encode does use + to encode spaces and the decode works correctly with this so to me it does look like a bug of some sort. But only Microsoft support could confirm if this is a bug or a specific design decision.

I can tell you that 2 possible work arounds are to either use %20 for space encoding or to use the /reportserver endpoint instead of the /reports one, but if you want Microsoft to consider a code fix on their side a support ticket is the best approach.

Wanted to reply that this has been fixed and will be released in the May release of Power BI Report Server.

Thought to update this post. This issue is fixed by MSFT in PBI RS September 2022.