        ____________565

      :   Dep  
  Dep.     ,    -
   .         -
    ,    Params -
 Query2.     DataSource  Query2  -
  DataSowcel   ,    Dep.  
,       :Dep   
  .         
 ,         -
  .  ,  ,   Que-
ry2,     ,   Query 1.

    SQL  Active  Que-
ry2   false.    true   .  ,
           ,
   ,      .

10.1.6.6    Query

   Query       -
   .

 Close     ,   Active 
false.       - , 
      . ,   -
    SQL    Close  ,
   ,      .

 Open        , -
   SQL.        ,  -
    Select.      , -
, Update  Insert,    Open   -
 EDatabaseError.     ,  Select,
  ExecSQL.     ,
    ,    .  -
    .    -
         
 Prepare.

     SQL  Close  Prepare  -
.

      Open  ExecSQL  :

  ,        
 ?.  ,    -
 ssql  ,      :

.try

{

Queryl->SQL->Clear() ;

Queryl->SQL->Add(ssql) ;

Queryl->0pen();

}

catch (EDatabaseError&)

(

Queryl->ExecSQL() ;

}

  try (.  4.9.3  4)    -
    Open.       -
, ..     ,   Select,  
 EDatabaseError,     catch,  -
  ExecSQL.