public DataSet SearchRequests(SearchRequestDTO dto)
 {
     return dao.SearchRequests(dto);
 }
 public SearchRequestBUS(SearchRequestDAO dao, SearchRequestDTO dto)
 {
     this.dao = dao;
     this.dto = dto;
 }
 public DataSet SearchRequests(SearchRequestDTO dto)
 {
     return new DataSet();
 }
 public SearchRequestBUS()
 {
     dto = new SearchRequestDTO();
     dao = new SearchRequestDAO();
 }
 public SearchRequestDAO(SearchRequestDTO dto)
 {
     this.dto = dto;
 }