public String edit() {
initTbgts();
textbookBiz = textbookBizService.get(textbookBiz);
csds = courseSeriesService.getDtos();
slds = studyLevelService.getDtosByCourseSeries(textbookBiz.getCourseSeries());
return SUCCESS;
}
public String add() {
csds = courseSeriesService.getDtos();
initTbgts();
return SUCCESS;
}