eliminarI.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
FormDialogSuministroBox dialog= new FormDialogSuministroBox(sum, "eliminar",FormDialogBox.this);
dialog.show();
}
});
if(a == "modificar" ){
suministros.setWidget(row,2, modificarI);
suministros.setWidget(row, 3, eliminarI);