.rdlc Report - Cannot create a data reader for dataset 'DataSet1'

Question

I have created a .rdlc-Report under VS 2012 using the report wizard and added data source and dataset. When I try to render the report using the code below I get following e

Answer 1

1. Make sure that you are running on administrator mode and you have access to the SSRS server.

2. Verify if you have set the correct dataset name or if you are properly loading and assigning it.

Please check this sample on MSDN.