C#

SELECT BK_LEVEL9.Aitur AS Aitur, Sum(BK_LEVEL9.M_NewQty) AS M_NewQty, Sum(BK_LEVEL9.ErrorCount) AS ErrorCount, (IIf([M_NewQty]<>0,Round(([ErrorCount]*100)/[M_NewQty],2),0)) AS ErrorProcc
FROM BK_LEVEL9
GROUP BY BK_LEVEL9.Aitur;

SQL = "SELECT Aitur,M_NewQty,ErrorCount,ErrorProcc from MyQUERY";
dsWorkKabat = new DataSet();
adp = new OleDbDataAdapter(SQL, Conn);
adp.Fill(dsWorkKabat, "MyQUERY");
adp.Dispose();

try
{
Task fetchMemberAccounts = Task.Factory.StartNew<DataTable>(GrabMemberAndProductInformation)
 .ContinueWith(antecedent => SetupAccountListForMember(antecedent.Result), 
                                                         TaskScheduler.FromCurrentSynchronizationContext());

catch (AggregateException err)
{
   ...log error
}

public static void OrganiseSquares(ref List<Square> pio_Squares)

using System.Collections.Generic;

internal class Square
{
    private double m_Lenght;
    private double m_PositionX;
    private double m_PositionY;

    public Square(double p_Length)
    {
        m_Lenght = p_Length;
        m_PositionX = 0;
        m_PositionY = 0;        
    }

    public void SetPosition(double p_PositionX, double p_PositionY)
    {
        m_PositionX = p_PositionX;
        m_PositionY = p_PositionY;        
    }

    

    public double GetLenght()
    {

        return m_Lenght;

    }


   public static void OrganiseSquares(ref List<Square> pio_Squares)
   {
     // YOUR CODE HERE    
   }

}