title: How to get multiple values from DropdownButtonFormField in flutter?
body: <p>selecting one item from dropdown menu, i want to show its multiple values inside textfields in flutter. For example, <strong>if I select school it will show its name, location, contact no.</strong> so i need to collect multiple values from that item. how can i have multiple values from dropDownMenuItem to show multiple values?
  for example School list item is given below:</p>
  <pre><code>      &quot;SchoolList&quot;: [
          {
            &quot;name&quot;: &quot;school1&quot;,
            &quot;location&quot;: &quot;location1&quot;,
            &quot;contact_no&quot;: &quot;address1&quot;
          },
           {
            &quot;name&quot;: &quot;school2&quot;,
            &quot;location&quot;: &quot;location2&quot;,
            &quot;contact_no&quot;: &quot;address2&quot;
          },
          {
            &quot;name&quot;: &quot;school3&quot;,
            &quot;location&quot;: &quot;location3&quot;,
            &quot;contact_no&quot;: &quot;address3&quot;
          },
          
        ],
  </code></pre>