getChild method
Implementation
FrmChild? getChild(String code) {
FrmChild? c =
_frm!.children!.where((c) => c.code == code).toList().length > 0
? _frm!.children!.where((c) => c.code == code).first
: null;
//if (c!=null && c.service.getBrowseRow())
return c;
}