1. At LEAST one of the following:
- a. Assign a strong name
- b. Mark the assembly with the AllowPartiallyTrustedCallers attribute
- c. Configure the
attribute inside your SharePoint site’s web.config file.
2. Mark your assembly as a SafeControl inside of your SharePoint site’s Web.Config file.
3. Add your web part library to the site’s web part gallery.
4. Add web parts from your assembly to pages in your site.