Being able to use external DLLs in Dynamics CRM plugins is challenging but doable. Most people who have been doing development on the Dynamics CRM platform for any period of time know that it is not enough to simply reference the DLLs in Visual Studio – you must somehow make them available to run on the server – this can range from mildly annoying to impossible (if you using CRM Online.)
You are likely already familiar with the excellent development tool LINQPad and if you are a Dynamics CRM Developer you, hopefully, are familiar with LINQPad Plugin for Dynamics CRM. Using LINQPad along with the LINQPad CRM Plugin is a great way to learn the ins and outs of writing LINQ queries for Dynamics CRM.
In this article I will show you how, with just a minimal of effort, you can start using LINQPad to directly call Dynamics CRM. This will allow you to go beyond just building LINQ queries and execute code to test Request/Response messages, QueryExpression retrieval, FetchXml, and much more. Using LINQPad allows you to test and learn in real-time without waiting to compile your code and execute your test cases (if you even have test cases! You do have test cases, right?) (more…)