SharePoint Custom List with Custom Content Types and Custom Display Forms

I recently ran into an issue with using multiple content types on a custom list in SharePoint. I wanted each content type to have its own custom display form (DispFormCustom1.aspx, DispFormCustom2.aspx, etc.). Using SharePoint Designer (SPD), you can right-click on the list, open the list properties, and view the Supporting Files tab to select a page for each content type. However, there is a trick to getting different content types to use different custom forms. (more…)