[mapguide-users] Storing WebLayout in Session Repository

[Gunter Becker]

OK your code works for me but now I got the problem that the map isn't shown
in the AjaxViewer. Instead I got hte following error message:

  An unclassified exception occurred. Exception occurred in method
MgMap_Create__SWIG_0 at line 681 in file .\MgApi_wrap.cpp

My Query to launch AjaxViewer:

 
http://geo19/mapguide/mapviewerajax/?SESSION=bb143bae-ffff-ffff-8000-000476dc3d5a_en&WEBLAYOUT=Session:bb143bae-ffff-ffff-8000-000476dc3d5a_en//Current.WebLayout

XML representation of the WebLayout:

  <?xml version="1.0" encoding="utf-8" ?> 
  <WebLayout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xsi:noNamespaceSchemaLocation="WebLayout-1.0.0.xsd">
      <Title>ALK Neulingen</Title> 
      <Map>
         
<ResourceId>Session:279a9b8c-0000-1000-8000-000476dc3d5a_en//NeulingenALK.Map</ResourceId> 
          <HyperlinkTarget>TaskPane</HyperlinkTarget> 
      </Map>
      ...

Must the <ResourceId> be of Type "MapDefinition" or is "Map" also OK?? 

To make things clear:

My intention is to store the WebLayout into the session repository to give
the user the ability to leave the AjaxViewer and go to another webpage of my
application and then return to the AjaxViewer. All of the changes he had
done before leaving the map (changing colors, adding layers, ..) should be
avbailable after loading WebLayout stored in session.

Is that the right way to this ??


Hidekazu Shimaji wrote:
> 
> Hello,
> 
> I don't think the ResourceHeader is the cause.
> You have to set the content of xmlWebLayout to byteArray.
> 
> How about do like this:
> 
> --- the code start
> //save the xml to MemoryStream
> System.IO.MemoryStream stream = new System.IO.MemoryStream();
> xmlWebLayout.Save(stream);
> // get byte array from the MemoryStream
> byte[] byteArray = stream.ToArray();
> //convert byte array to string without the first byte(BOM)
> string outerXml = System.Text.Encoding.UTF8.GetString(byteArray, 1,
> byteArray.Length - 1);
> // convert string to byte array with the utf-8 encoding 
> byteArray = System.Text.Encoding.UTF8.GetBytes(outerXml);
> 
> // store the WebLayout in Session-Repository
> MgByteSource byteSource = new MgByteSource(byteArray,
>    byteArray.Length);
> byteSource.MimeType = MgMimeType.Xml;
> MgResourceIdentifier userWebLayoutId = new
>     MgResourceIdentifier("Session:" + sessionId + @"//Current." +
>     MgResourceType.WebLayout);
> 
> resourceService.SetResource(userWebLayoutId, byteSource.GetReader(),
> null);
> --- the code end
> 
> 

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