title: How to get file path and name to save this file?
body: <p>I use open XML to export excel file. <code>SpreadsheetDocument.Create</code> requires a file destination. </p>
  
  <p>I want to get this file destination from user similar to a <code>SaveFileDialog</code> in <code>Winforms</code>.
  How I get file destination from user? I use Asp.Net 4.0 and OpenXML SDK 2.5 .</p>
  
  <pre><code>SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Create(destination, SpreadsheetDocumentType.Workbook);
  </code></pre>