GoDiagram Web for ASP.NET 4.2

Powerful and flexible enough to create diagrams exactly the way you want them to appear. So easy to use that you will be able to prototype your application quickly.
With features such as automatic layout, multiple layers, collapsible sub-graphs, snap-to connection points, XML, SVG, and more, Have the power and flexibility you need to create sophisticated diagrams, quickly and easily. Events such as click, double-click, hover, select, rubber-band select, copy, delete, resize and move are supported. Operations such as drag-and-drop, unlimited undo/redo, and clipboard operations are common and complex, and are expected by today's sophisticated users.