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Possible Duplicate:
Getting java.sql.SQLException: Operation not allowed after ResultSet closed
我正在处理一些抛出 Operation not allowed after ResultSet closed
异常的代码。在这里:
ResultSet res = stmt.executeQuery("SELECT codigo FROM projecto WHERE nome='"
+ auxiliarNomes.elementAt(i).toString() + "'");
while (res.next()) {
codigo = res.getString("codigo");
stmt.executeUpdate("insert into categoriaprojectos values("
+ "'" + codigo + "'" + "," + "'" + Antena.RetornaCodigoProjecto() + "')");
}
我做错了什么?