This is an easy thing to do, especially if you are well-versed in CSS/DOM designing.
1). Go to this location and open up HtmlViewer.css in your favorite text editor:
2). Edit/override styles however you see fit. You can change almost all of the styles on the SSRS toolbar:
3). If you want to point to different stylesheets for different report executions (ie. if you need security and want to hide the Save or Print button from some users), you can easily do that by adding the filename of your own custom stylesheet to the rc:Stylesheet parameter in the SSRS Request URI a la:
Other things like client-side scripting can be done to extend the Report Viewer UI further, but doing that sort of "functionality" integration is not well documented. If you want complete control over your Reporting Services app UI, take a look at the Report Server web service: https://docs.microsoft.com/en-us/sql/reporting-services/report-server-web-service/report-server-web-service
Happy Reporting!
1). Go to this location and open up HtmlViewer.css in your favorite text editor:
2). Edit/override styles however you see fit. You can change almost all of the styles on the SSRS toolbar:
(before)
(change made)
(after)
Other things like client-side scripting can be done to extend the Report Viewer UI further, but doing that sort of "functionality" integration is not well documented. If you want complete control over your Reporting Services app UI, take a look at the Report Server web service: https://docs.microsoft.com/en-us/sql/reporting-services/report-server-web-service/report-server-web-service
Happy Reporting!