crdb_adoplus.dll crystal reports 2010 windows

You open a file “App.config” from Solution Explorer and try this steps

Solution:1

<startup useLegacyV2RuntimeActivationPolicy="true">

<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/>

</startup>

 

 

Solution:2

<startup useLegacyV2RuntimeActivationPolicy="true">

</startup>