Gets row CSS class attribute for form field 
            
Namespace: CMS.FormControlsAssembly: CMS.FormControls (in CMS.FormControls.dll) Version: 8.0.0.0 (8.0.5239.26125)
Parameters
- args
 - Type: CMS.FormControls FieldCreationArgs
Form field settings 
- extraClass (Optional)
 - Type: 
System String
Additional CSS class to add to the attribute 
Return Value
Type:See Also