Could not load file or assembly 'Microsoft.ReportViewer.Common, Version=xx.0.0.0, Culture=neutral, PublicKeyToken='xxx' or one of its dependencies.

-
Scenarios: -If you get the following errors:
 Could not load file or assembly Microsoft.ReportViewer.Common Could not load file or assembly Microsoft.ReportViewer. ProcessingObjectModel

Server Error in '/' Application.

Parser Error

Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not load file or assembly 'Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91' or one of its dependencies. The system cannot find the file specified.



  You can follow the following steps to copy it from GAC (Global Assembly cache):

COPY Microsoft.ReportViewer.ProcessingObjectModel
1. Open a command prompt (select Start/Run and then enter "cmd" and press enter).

2. Type the following command and press enter:

cd C:\WINDOWS\assembly\GAC_MSIL\Microsoft.ReportViewer.ProcessingObjectModel

2 (i) Type 'dir' and press 'enter'. You would be able to see the following folder:
It depends on which version you have on your system. It can be either 8.0.0.0 OR 9.0.0.0.

8.0.0.0__b03f5f7f11d50a3a OR 9.0.0.0__b03f5f7f11d50a3a
2(ii). Type "cd 8.0.0.0__b03f5f7f11d50a3a" if you have 8.0.0.0 version OR
"cd 9.0.0.0__b03f5f7f11d50a3a" if you have 9.0.0.0 and press 'enter'.

2(iii). You should be able to see the following DLL in this folder:
Microsoft.ReportViewer.ProcessingObjectModel.dll

2(iv). Now use the following command to copy the dll file to your bin directory:
copy *.dll d:\YourProject\bin


3. COPY Microsoft.ReportViewer.Common
cd C:\WINDOWS\assembly\GAC_MSIL\Microsoft.ReportViewer.Common

3 (i) Type 'dir' and press 'enter'. You would be able to see the following folder:
It depends on which version you have on your system. It can be either 8.0.0.0 OR 9.0.0.0.

8.0.0.0__b03f5f7f11d50a3a OR 9.0.0.0__b03f5f7f11d50a3a

3(ii). Type "cd 8.0.0.0__b03f5f7f11d50a3a" if you have 8.0.0.0 version in step 3 OR
"cd 9.0.0.0__b03f5f7f11d50a3a" if you have 9.0.0.0 and press 'enter'.

3(iii). You should be able to see the following DLL in this folder:
Microsoft.ReportViewer.Common.dll

3(iv). Now use the following command to copy the dll file to your bin directory:
copy *.dll d:\YourProject\bin

Comments

  1. AnonymousJune 18, 2013 at 1:52 PM

    Thank you so much!

    ReplyDelete
  2. AnonymousJune 27, 2013 at 8:12 AM

    This post helped me solve an issue!

    ReplyDelete
  3. Pk sahooOctober 1, 2013 at 3:12 AM

    Dear "Mahmoud Salem Mahmoud",

    Thank you so much. After spending 1 hell hour somehow luckily landed at this blog of urs which solved my problem within 5 minutes.. god bless you.

    ReplyDelete
  4. AnonymousNovember 22, 2013 at 7:45 AM

    Mahmoud.. Thank you very much, your post helped ...

    ReplyDelete
  5. AnonymousNovember 26, 2013 at 8:56 PM

    Thanks

    ReplyDelete
  6. AnônimoFebruary 13, 2014 at 2:59 AM

    Thank you very much.

    ReplyDelete
  7. UnknownMay 29, 2014 at 9:51 AM

    good job...Thank you

    ReplyDelete
  8. phyxanJune 15, 2014 at 2:17 AM

    Thanks brother

    ReplyDelete
  9. AnonymousJune 25, 2014 at 12:18 AM

    What is d:\YourProject\bin? since I dont have a D: drive.

    By YourProject is the installation path under Program Files?

    ReplyDelete
    Replies
    1. Mahmoud SalemJune 25, 2014 at 10:26 AM

      bin folder inside your "ASP.NET" Project
      YourProject is the website folder sometime it under wwwroot folder inside iis

      Delete
  10. ALPER AYDINJuly 31, 2014 at 1:18 AM

    Thanks BUT , Please Share This also !, Your solution is FIRST STEP ,
    SECOND STEP is , ( FROM GODADDY.COM )

    The default trust level on your account depends on the version of ASP.NET you are currently using (more info).

    ASP.NET 1.1
    If you are using ASP.NET 1.1 on your Windows shared hosting account, you have 'full trust' on the server.
    ASP.NET 2.0/3.0/3.5
    If you're using .NET runtime environment 2.0, you have 'medium trust' on the server.
    ASP.NET 4.0/4.5
    If you're using .NET runtime environment 4.0, you have 'web full trust' on the server.
    NOTE: When using ASP.NET 4.0/4.5 you must declare Full Trust in your Web.Config. You can add the following snippet of code to your Web.Config:






    ReplyDelete
  11. PritamOctober 5, 2014 at 3:56 AM

    Thank you very much. Perfect solution...:)

    ReplyDelete
  12. UnknownNovember 8, 2014 at 10:47 PM

    you're my hero

    ReplyDelete
  13. AnonymousDecember 11, 2014 at 12:41 PM

    Thank You!

    ReplyDelete
  14. Naveen RanaFebruary 21, 2015 at 6:50 AM

    Thanks dude.

    It was a perfect solution.

    ReplyDelete
  15. UnknownFebruary 25, 2015 at 9:27 PM

    Thanks a lot.
    I included the following dll files and now my reports are working fine on the server. :)
    • Microsoft.ReportViewer.Common.dll
    • Microsoft.ReportViewer.DataVisualization.dll
    • Microsoft.ReportViewer.ProcessingObjectModel.dll
    • Microsoft.ReportViewer.WebForms.dll
    • Microsoft.SqlServer.Types.dll

    ReplyDelete
    Replies
    1. mgmgMay 24, 2015 at 8:18 PM

      Where I can get following • Microsoft.ReportViewer.Common.dll
      • Microsoft.ReportViewer.DataVisualization.dll
      • Microsoft.ReportViewer.ProcessingObjectModel.dll
      • Microsoft.ReportViewer.WebForms.dll
      • Microsoft.SqlServer.Types.dll

      Delete
    2. Mahmoud SalemMay 25, 2015 at 12:58 AM

      you can get all DLL from GAC
      follow the below link http://stackoverflow.com/questions/714907/how-to-extract-an-assembly-from-the-gac

      - open Run "windows key + R"
      - type “%windir%\assembly\GAC_MSIL”
      all build in Dll saved there

      Delete
  16. AnonymousAugust 21, 2015 at 3:37 AM

    Even in c:\\windows\assembly folder
    iam nt having report viewer dlls, hw can i proceed further. Please help me out.
    Thanks ! in advance

    ReplyDelete
  17. TSeptember 16, 2015 at 4:15 AM

    Thank you.. it worked perfectly. :)

    ReplyDelete
  18. UnknownApril 5, 2016 at 12:24 AM

    Really Thanks

    ReplyDelete
  19. AnonymousApril 29, 2016 at 9:02 AM

    awesome. worked like a charm.

    by the way can we copy that manually also right?

    ReplyDelete

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