GH-262 Fix the datagrid class for ie7
GH-262 Fix the datagrid class for ie7

vrleonel/ml-test,vrleonel/ml-test,vrleonel/chico,amireynoso/uxtest,amireynoso/uxtest,mercadolibre/chico,mercadolibre/chico,atma/chico,vrleonel/chico,atma/chico