How to change redirect URL from localhost to web application's URL

[Deep]

I am trying to embed a report to my application using VisualStudio.net. When I run the web.config file in VisualStudio It redirects me to localhost but It should be redirected to web URL. I changed the URL in azure where the app is registered but that didn't work either.

[v-shex-msft]

Hi @Deep,

Did you mean you are working with a report that designed by the localhost data source and you want to modify the data source URL after you publish it to the service side?

If this is a case, you can take a look at the following blog to parameterize your connection string with query parameter then you can modify it on power bi service side.

Using the Power BI Service Parameters to change connection strings (To possibly change between Dev 

Datasets - Update Parameters 

If that not meet your requirement, please share more detailed infusions to help us clarify your scenario:

How to Get Your Question Answered Quickly 
In addition, you can also try to post to another programming/developer forums if these not related to power bi.
Regards,

Xiaoxin Sheng