Take out the quotes around damount:

String updatebalance ="Update dsnuser set balance= balance+ "+damount+" from
dsnuser where cardnumber='"+cardnumber+"'  ";


-----Original Message-----
From: A mailing list about Java Server Pages specification and reference
[mailto:[EMAIL PROTECTED]]On Behalf Of Miao, Franco CAWS:EX
Sent: Monday, November 12, 2001 2:12 PM
To: [EMAIL PROTECTED]
Subject: pls help to check if it is syntax error


here is the source code, for some reason, the balance just add up in string
instead of amount, let's say original balance has $2000, after update $1000
its should has total $3000, but the the fact is $200010000, pls help me out
thanks!

Franco


String updatebalance ="Update dsnuser set balance= balance+'"+damount+"'
from dsnuser where cardnumber='"+cardnumber+"'  ";


// Get result code

int updateCount=SQLStatement.executeUpdate(updatebalance);

        if(updateCount > 0)

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