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how to get nextvalue of sequence from oracle_database and show it in JOptionPane in netbeans using oracle 10g?

原文 2016-04-07 06:35:19 6 1 java/ sql/ netbeans

the above code is executing ie the sequence value is incrementing but since i want to show that sequence no. in JOptionPane by taking that sequence value as string, it is not happening. as soon as i click on button an exception is occurring.

see the image to understand more easily. screenshot of CODE

1 answers

You call rs.getString() before you call rs.next() . Can't do that.

Without a next() call, there is no "current" row for getString() to retrieve values from.

Besides, why are you executing the query twice?

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how to get nextvalue of sequence from oracle_database and show it in JOptionPane in netbeans using oracle 10g?

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1 answers

solution1 0 2016-04-07 06:40:34

solution1
0 2016-04-07 06:40:34