Winforms Could not load file or assembly 'Microsoft.ReportDesigner, Version=10.0.0.0' in VS2012

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This is driving me nuts. I have a winforms app build in VS2012 targeting .NET 4.5. On a few forms I have to use a ReportViewer. At first I worked with ReportViewer for 2012 (version 11.0.0.0). All working fine. However, my client doesn't want to install this version on their workstations yet because this version uses the CLR Types SQL 2012. Don't ask me why, but I have to accept this for now.

So I decided to use the previous reportviewer version 10.0.0.0. I downloaded the redistributional package and installed it. I also added it to my toolbox in VS2012 and deleted the reportviewer dll's already referenced in my project. But when I drag a version 10 reportviewer on my form I get the following error:

Could not load file or assembly 'Microsoft.ReportDesigner, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

The application IS running without errors, but I have no design-time support on the forms using this reportviewer control, as you can see in the image. I would like to get rid of the error.

enter image description here

I checked the GAC and could not find the mentioned Microsoft.ReportDesigner. It is there for version 9.0.0.0 and 11.0.0.0 but not for 10.0.0.0.

Bottom line, how can I use the ReportViewer version 10.0.0.0 in design time in VS2012 without the problem of the design-time error?

Framework: .NET 4.5 App Type : winforms Language : vb.net Visual Studio: Version 2012 Control: ReportViewer 10.0.0.0 SP 1

P.S. I also tested the ReportViewer control in VS2010, there is no problem using it in design time in VS2010.

[UPDATE]

The exact error when I try to add the ReportViewer on my form in VS2012 is:

enter image description here

.net
vb.net
winforms
visual-studio-2012
report-viewer2010
asked on Stack Overflow Oct 10, 2013 by Stephan • edited Jun 6, 2019 by Stephan

6 Answers

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I had the same problem. I was able to fix VS 2012 designer with the following workaround. I doubt this is the correct way, but it helps and I did not find anything better for now.

  1. Close Visual Studio 2012

  2. Go to C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\PrivateAssemblies folder and copy all report viewer assemblies (file names are starting with "Microsoft.ReportDesigner." and version is 10.0.0.0) to the C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\PrivateAssemblies. Backup it before doing this.

  3. Start Visual Studio 2012 and open your project.

answered on Stack Overflow Oct 27, 2013 by Alex Kryvdyk
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Alex's solution is wrong, it works but not right.

Simply solution is replacing old refence with current version's dll

I've removed removed reference Microsoft.ReportViewer.WinForms then added reference Microsoft.ReportViewer.WinForms which version is v11.0.0.0

Hope it helps.

answered on Stack Overflow Jan 20, 2014 by lomec
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Alex's fix works, but you end up in the previous version of the control. To get the v11 of the report viewer control, close your project if it is open then browse to c:\windows\assembly. Copy the public key token's value for the Microsoft.ReportViewer.Common.Resource version 11.0.0.0. Open your project file and search for the reference to the 10.0.0.0 version of the ReportViewer. Change the version to 11.0.0.0 and the public key to the value you copied and then save the file. Once you open the project, the ReportViewer reference should be pointing to the correct version.

answered on Stack Overflow Nov 6, 2013 by NCGrimbo • edited Jul 22, 2014 by Mark Sowul
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Got the answer from CodeProject (see link below)

It doesn't need a license, it's a Redistributable

2008 http://www.microsoft.com/en-us/download/details.aspx?id=6576[^]

2010 http://www.microsoft.com/en-us/download/details.aspx?id=6442[^]

http://www.codeproject.com/Questions/399003/Could-not-load-file-or-assembly-Microsoft-ReportVi

answered on Stack Overflow Apr 7, 2014 by dellyjm
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upload the the dll in your site bin

from this window folder(C:\Program Files (x86)\Microsoft Visual Studio 10.0\ReportViewer). i ve used it and it work Microsoft.ReportViewer.Common.dll Microsoft.ReportViewer.WebForms.dll Microsoft.ReportViewer.WinForms.dll

answered on Stack Overflow Sep 23, 2017 by Dare Olaniyi Timothy
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add reference with following path: C:\Windows\assembly\GAC_MSIL\Microsoft.ReportViewer.Common\12.0.0.0__89845dcd8080cc91\Microsoft.ReportViewer.Common.dll

C:\Program Files (x86)\Microsoft Visual Studio 14.0\ReportViewer\Microsoft.ReportViewer.WinForms.dll

answered on Stack Overflow Nov 5, 2017 by Syed Shahid Amin

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