[mapguide-users] Trying to create an ajax search thingo

[Jackie Ng]

Also, you may need to double check that you're correctly using the MgMap API
as a result of http://trac.osgeo.org/mapguide/wiki/MapGuideRfc9

- Jackie


Jamo wrote:
> 
> Cheers Jackie I've fixed it up changed the MgSelection to MgSelectionBase
> where needed.
> 
> Also changed the
> MgSelection thisSel = new MgSelection() to MgSelectionBase thisSel = new
> MgSelectionBase(map); which i think has fixed up the issue
> 
> Another issue thats got me stunned is this doesn't work......
>     foreach (MgLayerBase cLayer in cadFeatures.GetLayers())
>     {
>       Response.Write(cLayer.GetClassDefinition().GetProperties().Count);
>     }
> However at the same point in code this does?
> 
>       string layerClassName = cLayer.GetFeatureClassName();
>       string selectionString = cadFeatures.GenerateFilter(cLayer,
> layerClassName);
>       string layerFeatureId = cLayer.GetFeatureSourceId();
>       MgResourceIdentifier layerFeatureResource = new
> MgResourceIdentifier(layerFeatureId);
>       MgFeatureQueryOptions queryOptions = new MgFeatureQueryOptions();
>       queryOptions.SetFilter(selectionString);
>       MgFeatureReader featureReader =
> FeatureService.SelectFeatures(layerFeatureResource, layerClassName,
> queryOptions);
>      
> Response.Write(featureReader.GetClassDefinition().GetProperties().Count);
> 
> I'm not too sure on why or how but I'm not too fussed unless this extra
> creation of a MgSelection Set will cause twice as much waiting....
> 
> 
> 
> Jackie Ng wrote:
>> 
>> Perhaps you may have used the wrong MgSelection constructor? The API docs
>> says that MgSelection() is a dummy constructor.
>> 
>> - Jackie
>> 
> 
> 

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