[Transaction(TransactionOption.RequiresNew)]
 [ObjectPooling(true,5,10)]
  public class DTransaction : System.EnterpriseServices.ServicedComponent 
 {
  public DTransaction()
  {
   
  }
  

  [AutoComplete(true)]
  public EResponseList HandleRequest(ERequestList requestlist)
  {
   // write all db related inside try block         
   try
   {
    // Do something to a database
    // ...
    // Everything okay so far Commit the transaction
       
    ContextUtil.SetComplete();
   }
   catch
   {
    // Something went wrong Abort and Rollback the Transaction
    ContextUtil.SetAbort();
   }

   return  objList;
  
  }
 }