private Vendor getVendorAset(int idVendor) throws SQLException {
   String query = "SELECT * FROM " + VENDOR_TABLE + " WHERE id = " + idVendor;
   ResultSet rs = executeQuery(query);
   Vendor vendor = null;
   if (rs.next()) {
     vendor = new Vendor();
     vendor.setId(rs.getInt("id"));
     vendor.setNama(rs.getString("nama"));
     vendor.setAlamat(rs.getString("alamat"));
     vendor.setTelepon(rs.getString("telepon"));
     vendor.setEmail(rs.getString("email"));
   }
   return vendor;
 }