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| public boolean hasvoted(String id_electeur, String id_election) {
boolean flag = false;
try {
String sql = "SELECT EXISTS (SELECT 1 FROM tbl_vote WHERE id_elector = ? AND id_election = ?)";
connection = DBManager.openConnection();
PreparedStatement testvote = connection.prepareStatement(sql);
testvote.setString(1,id_electeur);
testvote.setString(2,id_election);
resultSet = testvote.executeQuery();
if(resultSet.absolute(1)){
flag = true;
}else{
flag = false; }
}catch(SQLException ex) {
ex.printStackTrace();
}
return flag;
} |