ExcelBanter - Convert Column Formula into VBA codes

Reference:
http://groups.google.com/group/micro... 616e111e2f166
http://www.excelforum.com/showthread.php?t=606282

Dear Experts

Columns E has folloiwng formula

Code:

=IF(AND($A2=$C$2,$A2<=$D$2),IF(COUNTIF($B$2:$B2,$B2)=1,$B2,""),"")

This works fine, But I want to fill Coulmn E with VBA codes.
To do this, I wrote this formula but it show error
Please help

Code:

Sub Command1_Click() 

    Dim iRow As Long, Lastr As Long 

    With Sheets("sheet1") 

        Lastr = .Range("A" & .Rows.Count).End(xlUp).Row 

        For iRow = 2 To Lastr 

            .Cells(iRow, "E").Value = "=IF(AND($A3=$C$2,$A3<=$D$2),IF(COUNTIF($B$2:$B3,$B3)=1,$B3,""),"")" 

        Next iRow 

    End With 

End Sub

column A has Dates as 01-07-2007,02-07-07
Column B has cash as 10,20,30,40
C1 has criteria1 date
D1 has criteria2 date
column E has unique values