Question

Could not load file or assembly 'microsoft.reportviewer.winforms, version=12.0.0.0, culture=neutral, publickeytoken=89845dcd8080cc91' or one of its dependencies. the located assembly's manifest definition does not match the assembly reference. (exception from hresult: 0x80131040) file name: 'microsoft.reportviewer.winforms, version=12.0.0.0, culture=neutral, publickeytoken=89845dcd8080cc91'

Answer 1

Hi,

Try to install Microsoft.ReportViewer.2012.Runtime and then try again.