MS CRM 2011: Strange error during sending of an email from plugin

I had scenario when my plugin based on some condition had to send an email. I developed plugin, deployed it to server and during the testing I have got quite strange error:

MS CRM 2011: Embed context report to left navigation pane

Idea of this blog post is how to embed report to left navigation pane of Crm editing form. I have found this brilliant post which describes how to embed report into IFrame located on Crm editing form and I took this post as basis for current post.

MS CRM 2011: Import of marketing list members using standard import with small extensions

Unfortunately at the moment it is impossible to import Marketing Lists Members to CRM with out-of-box import. My friend, former MVP and employee of Microsoft Artem Grunin provided good approach how to eliminate this problem with small customizations and plugin.

MS CRM 2011: Data transferring between systems

I think a lot of developers faces with integration between systems. It could be connection between CRM and accounting systems. To track changes that appeared at CRM and should be transmitted to other system I use plugins but how to understand what was the source of this changes – user of CRM system or synchronization service – this is the question. I use following approach to solve this issue:

MS CRM 2011: Code which rechecks that N:N relation exists between 2 records

Sometimes in your code you have to recheck is relation between 2 records exist. I faced with the same issue and developed following code.