Updating Table Column with Running Total.

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Dear Sir,
I'm maintaining a Table in SQLServer with following details.

-----------------------CASH BOOK (LEDGER)----------------------
DATE.......DESCRIPTION......DEBIT..........CREDIT.........BALANCE
1/1/2011..Cash Balance............................................5000
1/1/2011..Sales................3000................................8000
1/1/2011..Shop Rent.............................2500............5500
2/1/2011..Sales................5000..............................10500
2/1/2011..Purchase..............................5500.............5000
3/1/2011..Sales................2000................................7000

Suppose if I use SQL Update command to do so, it could update only particular field/column but I want BALANCE column to be updated same as RUNNING TOTAL method...
In my application I'm using Datagridview Windows Form Visual Basic 2010 to insert records (DATE,DESCRIPTION,DEBIT,CREDIT) but the balance column has to updated.

Thanking you...

MIQUASH.

Posted 13-Mar-11 18:57pm

Miquash

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Raj.rcr 14-Mar-11 2:09am

Not clear..!

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satyanarayana p.j · Answer 1 · 2011-03-13T21:01:00

Hi, as per my knowledge, don't take Balance Column in database, instead u have to calculate Balance when u r binding to DataGridView. i have sample code in php u can use same thing in vb.net

PHP

if($row['credit']!=0){
        $balance = $balance + $row['credit'];
    }
    else if($row['debit']!=0){
        $balance = $balance - $row['debit'];
    }