VB.NET Microsoft.Reporting.WinForms.ReportViewer is not defined

Question

I have a VB.NET application that I am trying to get working on our new system. (We have upgraded from Windows server 2003 to 2012) and I have a piece of software that I am unable to fix.

It uses a Microsoft.Reporting.WinForms.ReportViewer for some reason and it won't run because it is not defined.

I checked the reference and it looked like the path was pointing to a file that didn't exist.

I found a download for VS 2010 which is supposed to install the Microsoft.Reporting.WinForms.ReportViewer but it hasn't worked.

If I copy the error exactly this is what it gives me:

Severity Code Description Project File Line Suppression State Error BC30002 Type 'Microsoft.Reporting.WinForms.ReportViewer' is not defined. project C:\DATA\svn\project\trunk\project\frmMain.Designer.vb 195 Active

I'm running VS Express 2015

Please let me know if you need more information.

Answer 1

Visual studio > File menu > Tools > Nuget Package manager > Manage Nuget packages for Solution:

Then browse "Microsoft.Reporting.WinForms" and install it:

Then press F5 to "start debugging" , and you find error fix.

Answer 2

I was having the same issue on one of my projects. The solution I found was in Solution Explorer, Right Click References remove the flagged reference to Microsoft.Reporting.WinForms.ReportViewer then right click References and re-add Microsoft.ReportViewer.WinForms (can be found by typing winforms in the search bar)

This immediately cleared up the Error for me. Best of luck!