Hi...! I hope someone could help me understand how to do some things in ExtDesigner in regards to grids.

1. How can I get line numbers on a grid?
2. How can I make a grid groupable?
3. How can I make a certain field to be drop down?
4. How can I make an empty grid to show empty lines and columns from top to the bottom of the parent container? Can this actually be done?

Don't get me wrong - I know how to make this in a script, I am simply wanting to find out how to do such things in the ExtDesigner!

All the help will be appreciated! Great tool indeed!
Mihai