CS = ("Provider=SQLOLEDB;Data Source=YT077\SQLEXPRESS;Initial Catalog=demobase;User Id=sa;Password=1234;");
 con = new ComObject("ADODB.Connection");
 con.ConnectionString=CS;
 con.Open(CS);
 // считать из таблицы Counters значения pList и pMark
 
 CountersRead = New ComObject("ADODB.Command");
 CountersRead.ActiveConnection = con;
 CountersRead.CommandText = "SELECT * FROM COUNTERS WHERE TableName='PLIST' OR TableName='PMARK'";
 CountersRead.CommandType = 1;
 CountersWrite = New ComObject("ADODB.RecordSet");
 CountersWrite = CountersRead.Execute();
 
 while CountersWrite.EOF = 0 do
  If CountersWrite.Fields("TableName").Value="PLIST" then 
   pListIndex = CountersWrite.Fields("Counter").Value; 
  endif;
  If CountersWrite.Fields("TableName").Value="PMARK" then 
   pMarkIndex = CountersWrite.Fields("Counter").Value;
  endif;
  
  CountersWrite.MoveNext();
 enddo;