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C#/missing assembly "ADODB 7.0.3300


i am trying to deploy a c sharp in a different pc(not the pc where it is developed). i had report viewer in the project. but i am getting the error " missing assembly "ADODB 7.0.3300". i do't know how to deal with plz help me

Hi there,

ReportViewer does not really need adodb.dll to be referenced. It is a known bug.

As solution, just remove the reference of adodb from your application and you are ready to go!

Here is the exact same and solved case of yours.

Hope that helps,



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Murat Mehmet


I can help with questions about desktop and web programming in C#, including SOAP, XML, database managing, custom controls, security etc.


I have been developing web and especially desktop applications in C# and VB.Net for almost 5 years. My programming life has begun with VB6 long time ago, so its about 8 years that I am in this business.

Was in R & D for 2 years in a popular Turkish technology website:

2011 Computer Engineering graduation in University of Trakia in Turkey.

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