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in my solution I have a 3 projects (1 website, 1 data layer, 1 biz layer). my biz layer has assembly reference in my both website & data layer and my data layer has a reference in website as well. in my website I have 3 web services that are basically using these data layer & biz layer to work.

now the problem I'm facing is recently I made some changes to one of the classes in this BizEntity which is my biz layer project name and added some fields to one of the current classes and then added a rdlc to my website to provide reporting but in my rdlc design page when I drop a table from tools I get the following error:

 "Could not load file or assembly 'BizEntity', Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified."

*BizEntity is the project name of my biz layer which contains the objects.

I've been searching internet for solution for so long & I couldn't find any working solution for it. any help or suggestion would be appreciated the most.

Thanks in advance.

ScottJShea
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arash moeen
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  • If your data layer skips the business layer and needs web site info directly, or vice versa, you're doing the layering wrong. – Joel Coehoorn Oct 05 '12 at 04:14
  • No the data layer is using business layer completely, I'm not quiet sure but maybe it's because I made some changes to my business layer and its reference is not updated in data layer or the website? I'm not quite sure just throwing guesses. but thanks for your reply anyway. – arash moeen Oct 05 '12 at 04:21
  • I just made a new website in the same solution, added the business layer dll to the bin folder, created a rdlc file, droppe the table in the page and got the same error. – arash moeen Oct 05 '12 at 04:24
  • possible duplicate of [Build of project with RDLC cannot find custom assembly](http://stackoverflow.com/questions/5624617/build-of-project-with-rdlc-cannot-find-custom-assembly) – Judah Gabriel Himango Jan 09 '14 at 15:08

3 Answers3

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copy data layer and biz layer dlls in

server root:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\CommonExtensions\DataDesign

restart VS.

Ashish Madkaikar
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  • +1 for your answer, that fixed the problem. Thank you so much for your help and others as well for their comments. But what could possibly cause the problem Ashish? – arash moeen Oct 05 '12 at 04:47
  • This didn't work for me. However, copying the dlls in question to the \common7\ide\privateAssemblies folder did work. This is described here: http://stackoverflow.com/questions/5624617/build-of-project-with-rdlc-cannot-find-custom-assembly – Judah Gabriel Himango Jan 09 '14 at 15:08
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I had the same problem with ajaxtoolkit, adding the ajax library to the mentioned folder resolved the problem. I added SanitizerProviders.dll, AjaxControlToolkit.dll, HtmlSanitizationLibrary.dll, and then finally restarted VS2010.

Jack
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juanesteban
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Check that folder properties which store BizEntity is "Read-only" or not.

Đức Bùi
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