Hi,
yes
BlogEntity is in the DAL (Data access layer) assembly so you need to reference the following files in your project:
MonoSoftware.MonoX.DAL.dll
MonoSoftware.MonoX.DALDBSpecific.dll
I hope this will solve your issue, but in the future can you please open a separate topic for every issue you have so we can provide you with a better support service (while opening the new topic, you can just reference the topic you are mentioning for better understanding).
Regards