public String getHospitalInfos()
 {
     System.IO.TextWriter tw = new System.IO.StringWriter();
     DBClient dbc = new DBClient();
     dbc.getHospitalInfo().WriteXml(tw);
     return tw.ToString();
 }
 public DataTable getHospitalInfo()
 {
     DBClient dbc = new DBClient();
     return dbc.getHospitalInfo();
 }