this.GD2 = new GRID(this)
with (this.GD2)
onSelChange = class::GD2_ONSELCHANGE
fontSize = 11.0
dataLink = form.q3.rowset
headingHeight = 21.0
cellHeight = 21.0
anchor = 3 // Left
height = 450.0
left = 0.0
top = 28.0
width = 150.0
endwith
當 Form.Q3.rowset 為空的時候, _onSelChange 是不會觸動的..