Interactive gantt

Project:ProjectPier
Version:0.8.8-stable
Component:User interface
Category:feature request
Priority:normal
Assigned:Unassigned
Status:new
Description

It woul be great to be able to add and edit tasks & milestones from an interactive gantt chart. Here is one that might work http://codeglobe.blogspot.com/2009/04/creating-gantt-chart-in-aspnet.html. Anyone able to do this?