[mapguide-users] Regarding Linking of Layers with Map at run time

[Kenneth Skovhede, GEOGRAF A/S]

The MgMap class represents a runtime map, not a MapDefinition.
There is no such class a a MgMapDefinition, so you have to read/write 
the xml.
If you wish to use the standard viewer, you have to do this.
I was very annoyed by this, so I created the MaestroAPI that has classes 
for all the Xml documents,
including the MapDefinition:
http://trac.osgeo.org/mapguide/wiki/maestro/MaestroAPI

If you start the viewer with an empty map, you can access the MgMap object,
and add layers as runtime layers, using the MgMap.Layers.Add method.

Regards, Kenneth Skovhede, GEOGRAF A/S



ravinder.singh at BIRLASOFT.COM skrev:
>
> Hi Stefan,
>
>  
>
> I put the way you said but it gives the following error now.
>
>  
>
> Type 'OSGeo.MapGuide.MgXmlParserException' in Assembly 
> 'MapGuideDotNetApi, Version=2.0.0.2716, Culture=neutral, 
> PublicKeyToken=null' is not marked as serializable.
>
>  
>
> *Regards,*
>
> Ravinder Singh
>
> ------------------------------------------------------------------------
>
> *From:* mapguide-users-bounces at lists.osgeo.org 
> [mailto:mapguide-users-bounces at lists.osgeo.org] *On Behalf Of *Stefan 
> Dalakov
> *Sent:* Friday, February 13, 2009 11:10 PM
> *To:* MapGuide Users Mail List
> *Subject:* Re: [mapguide-users] Regarding Linking of Layers with Map 
> at run time
>
>  
>
> Try
> MgResourceIdentifier mapName = new MgResourceIdentifier("Session:" + 
> sessionId + "//Sheboygan.MapDefinition");
>
>
> Stefan Dalakov
>
> ravinder.singh at BIRLASOFT.COM <mailto:ravinder.singh at BIRLASOFT.COM> wrote:
>
> Hi All,
>
>  
>
> I have created the map definition in maestro and also created a web 
> layout, and I have hundreds of Maps, and each map will have a single 
> layer, but I don't want to create the hundreds of maps for each single 
> layer. For that purpose I though I will just make a single map and 
> will associate the layer at run time to that map. So I wrote the 
> following set of code for Sheboygan sample
>
>  
>
> But when I reach to map.Save(resourceSrvc, mapName)
>
>  
>
> it gives me the error
>
>  
>
> MgXmlParserException {"An exception occurred in the XML parser."}
>
>  
>
> And also I tried with Map.Open and then the following error comes
>
>  
>
> Resource was not found: 
> Session:b275c3b6-ffff-ffff-8000-001a4bb4a756_en_7F0000010AFC0AFB0AFA//Samples/Sheboygan/Sheboygan.MapDefinition
>
>  
>
> I have written the following code
>
>  
>
> MgUserInformation userInfo = new MgUserInformation(defaultUser, 
> defaultPassword);
>
>       MgSite site = new MgSite();
>
>       site.Open(userInfo);
>
>       sessionId = site.CreateSession();
>
> MgUserInformation userInfo_new = new MgUserInformation(sessionId);
>
>       MgSiteConnection siteConnection = new MgSiteConnection();
>
>       siteConnection.Open(userInfo_new);
>
> MgResourceService resourceSrvc = 
> (MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService);        
>
>
> MgResourceIdentifier mapName = new MgResourceIdentifier("Session:" + 
> sessionId + "//Samples/Sheboygan/Sheboygan.MapDefinition");
>
>       MgMap map = new MgMap();
>
>       map.Open(resourceSrvc, mapName); // Here the problem comes
>
>       map.Save(resourceSrvc, mapName); // Here the problem comes
>
>  
>
> I am using .net aspx with map guide 2.0
>
>  
>
> *Thanks & Regards,*
>
> Ravinder Singh
>
>  
>
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>
>
>  
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