/** Gets a title for the data presented in the tree node. */
 public String getTitle() {
   try {
     Connection con = conProv.getConnection();
     DatabaseMetaData dmd = con.getMetaData();
     StringBuffer sb = new StringBuffer();
     sb.append(dmd.getDatabaseProductName());
     sb.append(" - ");
     dmd = con.getMetaData();
     sb.append(conProv.getServerName());
     return sb.toString();
   } catch (Exception e) {
     return "[Not Connected]";
   }
 }
 public String toString() {
   return conProv.getServerName();
 }