Please refer to my post in the following forum thread: scaling html5 report horizontally only
. More information about the scale modes for the HTML5 Report Viewer is available in the IReportViewerBuilder.ScaleMode Method
About fitting a report in a single page, this feature is not supported. You can use the report's PageSettings
to adjust the document physical page's size. Other approach relying on Adobe PDF reader is described in the Dynamic Report column size
I hope the above information is helpful.
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