how to refresh the child task after the parent task?

Gantt
#1

Hi,

When I change date of a task ,i need to update the dependent tasks as well how can i do it?

#2

Hi,
do you mean recalculating tasks schedule, after the parent changed?
If so, try an extension attached from this topic
viewtopic.php?f=15&t=40999
It is a dev version (which seems to be stable enough) of an extension that will be included in the next update of the component