title: Could not find file 'C:\Program Files (x86)\Common Files\Microsoft Shared\DevServer\10.0'
body: <p>i define a master page with some menu items. Im  using the file upload control, I just have an issue with displaying the contents of a file to open it on another content Page: newModel.aspx page. its working will but i cant display the content, im getting an Error:
  Could not find file 'C:\Program Files (x86)\Common Files\Microsoft Shared\DevServer\10.0\C%3a%5cUsers%5chhassan%5cDocuments%5cVisual+Studio+2010%5cWebSites%5cKBD-2013%5cModel%5cTest.edd'.</p>
  
  <p>C# MasterPage-code:</p>
  
  <pre><code>protected void Open_btn_click(object sender, EventArgs e)
  {
      bool fileOK = false;
      string SampleDocuments = Server.MapPath(string.Empty);
      if (FileUploadCtrl.HasFile)
      {
          string fileExtension = System.IO.Path.GetExtension(FileUploadCtrl.FileName).ToLower();
          string allowedExtension = ".edd";
          if (fileExtension == allowedExtension)
          {
              fileOK = true;
          }
      }
      if (fileOK == true)
      {
  
          string fileName = SampleDocuments + "\\Model" + "\\" + FileUploadCtrl.FileName;
          Response.Redirect("~/Model/newModel.aspx?fileName=" + fileName);
      }
  </code></pre>
  
  <p>newModel Page Code:</p>
  
  <pre><code>protected void Page_Load(object sender, EventArgs e)
  {
      String fileName = HttpUtility.UrlEncode(Request.QueryString["fileName"]);
      this.DiagramWebControl1.LoadBinaryDocument(fileName);
  }
  </code></pre>