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[code] private void SubmitActionPerformed(java.awt.event.ActionEvent evt) { try { Statement s = con.createStatement(); Statement s1 = con.createStatement(); Statement s2 = con.createStatement(); Statement s3 = con.createStatement(); ResultSet rs = s.executeQuery("select MAX(Guest_ID) from Guests"); rs.next(); int maxGuestID = rs.getInt(1) + 1; //s1.execute("insert into Guests values(" + maxGuestID + ",'" + txtUserName.getText() + "',' …
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