Calculation Problem (Ledger)

[tayyabakashif]

Hello Dear
i have a ledger report.i am using overall sum in calculated field.
i want to take balance in Opening Balance Field Before The dates i have given.
Example.
i give two date "5-09-04"" and "8-09-04" it gives me result and it's fine.
the problem is that in" Opening Balance Field" i want the balance of customer before "5-09-04".Mean the balance in on "4-09-04"
how it will done.
i have these fields in my table."CustomerId,Credit,Debit,PaymentType".
Any Help Will Greatly Appreciated.

 

[tayyabakashif]

i am greatly thankful if someone can help me.or someone can give me a example file.
i am very furstrated about this problem

 

[tayyabakashif]

No can Help Me about this Thread.

 

[tayyabakashif]

There is no function to bring up the opening balance on Report.as i my above problem