Row not found or changed exception.

Posted by Sahoo under ASP.NET on 6/14/2012 | Points: 10 | Views : 1205 | Status : [Member] | Replies : 0

I am facing a peculiar issue.I have a user table with column name UserPoint of int type.

I am up dating it inside transaction . When only user A is there i am adding 10 point to this column for that user.
When two user Let A and B are present I am adding 20 point to A and subtracting 20 point from B.For case 2 I have to use transation .

Here I got exception Row not found or changed exception .for case 2 only not for case 1.After goggling I got that to make that UserPoint property in USER entity as Update Check from Always to Never .What is its (Update Check - Always and Never) advantage and disadvantage


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