Gantt XML file tree
Creates Gantt tree data from plain table in XML file by grouping
Do not run this file locally!
Run it from your local or remote web http server where is installed IIS and ASP.NET (1.0, 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, ...).
Source files:

GanttTreeFile.html

(this html page),

GanttTreeDef.xml

 (static XML layout),

GanttTreeData.xml

 (source XML data file),

GanttTreeFileUpload.aspx

 (server script saves XML data to GanttTreeData.xml file),
A demonstration of TreeGrid application creating Gantt chart tree from plain table by grouping.
It supports also free adding, moving and deleting tasks in tree levels.
The level names are shown in Levels columns. The Levels and ID columns are shown just for debugging.
For more Gantt features see Gantt Local examples or Gantt tutorials. For more ways of database communication see Basic Ajax or Form Submit ASP.NET examples.