title: How I Create Excel Workbook with Syncfusion XLSIO from Uint8list or File in Flutter?
body: <p>I got the Excel file from file-picker as Uint8list, and convert to it File now:</p>
  <pre><code>FilePickerResult result = await FilePicker.platform.pickFiles( type: FileType.custom, allowedExtensions: ['xlsx'], );
  
   if (result != null) 
  
  { var file = File.fromRawPath(result.files.single.bytes);
  
  }
  </code></pre>
  <p>How I convert it to a Syncfusion XLSIO workbook (fromUint8list or File) for reading data from sheet 0 ? Thanks.</p>