Comments by Gigantour (Top 6 by date)

Memory growth and garbage collection not working indicates you are keeping the object references alive. This can be hard to find, but most likely the form using your controls are being kept alive and not closing.

Panel is created dynamically at runtime.

yes. The datagrid is dynamically created at runtime and then the user clicks on a print button

Lets say i have a node named school and then that node has child nodes of class rooms and the classrooms has child nodes of desks.

In other words : School : class room 1 : desk 1
: desk 2
: class room 2 : desk 1
: desk 2
: class room 3 : desk 1
: desk 2

so lets say i select desk 2 of class room 3

I want to have the node values of desk 2 class room 3 and school
'Thanks