title: how to load csv file in flutter?
body: <p>I want to use a csv file in my flutter app, but I have an exception. How to solve it please?</p>
  
  <pre><code>my data.csv 
  
  id,symbol,open,high,low,close,volume,exchange,timestamp,date,update_date_time
  33668191,C,16.2,16.3042,16.2,16.3042,477600,NYSE,221115600,1977-01-03,8/26/2013 19:35:35
  33668192,C,16.3042,16.3542,16.25,16.3542,340800,NYSE,221202000,1977-01-04,8/26/2013 19:35:35
  33668670,C,15.3667,15.5208,15.3667,15.4708,76800,NYSE,280731600,1978-11-24,8/26/2013 19:35:36
  </code></pre>
  
  <p>I added assets in my pubspec.yaml</p>
  
  <p>assets:
    - asset/thesaurusEn.csv
    - asset/data.csv</p>
  
  <pre><code>List&lt;List&lt;dynamic&gt;&gt; data =[];
  
  loadAsset() async{
  
    final myData = await  rootBundle.loadString('asset/data.csv');
    print(myData);
  
  }
  </code></pre>
  
  <blockquote>
    <p>Exception has occurred. FlutterError (Unable to load asset:
    asset/data.csv)</p>
  </blockquote>