EPiServer 10 – Restrict any Block Types on XHtmlString property using the Validation Attribute

I couldn’t find a similar solution online as I believe there is an emerging pattern where we are now instructing clients to drag EPiServer Blocks into Rich Text editors. Requirement: As an Editor I want to limit certain blocks types from being dragged into the rich text editor Solution #1: Apply this attribute to any… Continue reading EPiServer 10 – Restrict any Block Types on XHtmlString property using the Validation Attribute