Error: Either zero or 2 or more [DropdownMenuItem]s were detected with the same value I/flutter (18363): 'package:flutter/src/material/dropdown.dart':

Question

Error code Hi I\'m new to flutter and have a question about dropdownbutton regarding using the same values for multiple dropdownbutton.

From my understanding from th

Answer 1

You can use the same list in multiple DropDownButton. The error you got is because of having more than one same values in the list. For Example, if I change the list to given below where I have two items having the same value, it will throw me an error.

`final List nameList = [
    "Name1",
    "Name1",
    "Name3",
    "Name4",
    "Name5",
    "Name6",
    "Name7",
    "Name8"
  ];`

Error: