How to Generate dynamics axapta group control using code

This is simple example to Generate dynamics ax group control at runtime using code in x++ lanugage. You can try following code in form.

 str groupMarkup = ' ';  
 str fieldsMarkup = ' ';  
 if (!_inGridControl && _inAxGroupControl == true)  
 {  
 _inAxGroupControl = false;  
 _markup.appendText(fieldsMarkup);  
 _markup.appendText('\r\n');  
 _markup.appendText(groupMarkup);  
 _markup.appendText('\r\n');  
 }