Here is a snippet of code. Am I missing something? Do I need to define 'controlsource'?

		ADD OBJECT txtCallDate as textbox WITH ;
		fontname = TxtFont,;
		backcolor = BckColor,;
		fontsize = 12,;
		height = 29,;
		left = 73,;
		top = 10,;
		width = 95,;
		specialeffect = ThreeD