Trying to add 1 to db cell, but instead it adds 14million!

HI,
I am trying to add "1" to a cell in a db, but instead, it adds like a million.... I'm confused, here is the code which does it, it would be awesome if anyone can help! Thanks
String sql2 = "SELECT * FROM users WHERE ID = "+jnum+"";
upd = stmt.executeQuery(sql2);
upd.first();
int crold = upd.getInt("cr_used");
int crnew = crold + 1;
upd.updateInt("cr_used", crnew);
upd.updateRow();
crold is the old value which I want to add "1" to. crnew is the value which is one higher than crold (at least that's what i am trying to achieve!) instead my db cell value goes up by over 1 million.
thanks.

You are using the JDBC-ODBC bridge with Microsoft Access, no? I had similar results, although my garbage number would change if I changed my program around. I reported it as a bug but the response was that it was my fault. I don't think so, and I don't think it's your fault either.
My solution was to change the program to update via SQL Update statements.

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Trying to add 1 to db cell, but instead it adds 14million!

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