[mapguide-users] Selection Issue (FeatureReader only grabbing 20 items)

[Don C. MacGregor]

You also need to modify the SelectionFilterSize value in webconfig.ini file.


nclayton wrote:
> 
> I altered the value for SelectionFilterSize and set it to 9999 then
> restarted the MapGuide service.
> I'm still only getting the first 20.
> 
> 
> 
> Don C. MacGregor wrote:
>> 
>> Earlier it was suggested by Jonathon...
>> 
>> Check out the serverconfig.ini file...there is a new setting in there
>> that limits it.
>> 
>> 
>> 
>> nclayton wrote:
>>> 
>>> Hi all,
>>> This has just recently become a problem. I am passing the selection xml
>>> to a page to display parcel owner data. For an example, I select 256
>>> parcels on the map. The selection xml comes over fine, with all 256
>>> parcels listed. When I use a featureReader to get the parcel numbers
>>> from the features, It only get the first 20.
>>> 
>>> Is this a setting I may have altered unintentionally, or could there be
>>> more to it?
>>> 
>>> Here is the code that I am using to pull the information out from the
>>> selection xml:
>>> ========================================================================
>>> function GetObjKeys($sessId,$mapName,$sel){
>>>   $obj_keys = '';
>>>     if($sel != ''){
>>>       InitializeWebTier();
>>>       $userInfo = new MgUserInformation($sessId);
>>>       $siteConnection = new MgSiteConnection();
>>>       $siteConnection->Open($userInfo);
>>>       $resourceService =
>>> $siteConnection->CreateService(MgServiceType::ResourceService);
>>>       $featureService =
>>> $siteConnection->CreateService(MgServiceType::FeatureService);	
>>>       $map = new MgMap($siteConnection);
>>>       $map->Open($resourceService,$mapName);		
>>>       $selection = new MgSelection($map,$sel);
>>>       if($selection != ''){
>>>         $layers = $selection->GetLayers();
>>>         if(!$layers){ $layers = $map->GetLayers(); }
>>>       }else{ $layers = 0; }
>>>       $layer = null;
>>>       if($layers){
>>>       for($i = 0; $i < $layers->GetCount(); $i++){
>>>         if($layers->GetItem($i)->GetName() == "parcels"){ $layer =
>>> $layers->GetItem($i); }
>>>       }
>>>       $queryOptions = new MgFeatureQueryOptions();
>>>       if($layer){
>>>         $layerClassName = $layer->GetFeatureClassName();
>>>         if($sel != ''){ $selString =
>>> $selection->GenerateFilter($layer,$layerClassName); }
>>>         $layerFeatureId = $layer->GetFeatureSourceId();
>>>         $layerFeatureResource = new
>>> MgResourceIdentifier($layerFeatureId);
>>>         $layerId = $layer->GetObjectId();
>>>         $queryOptions->SetFilter($selString);
>>>         $featureReader =
>>> $featureService->SelectFeatures($layerFeatureResource,$layerClassName,$queryOptions);				
>>>         $selTmp = '';
>>>         for($pdx=0; $pdx<$featureReader->GetPropertyCount(); $pdx++){
>>>           $pnm = $featureReader->GetPropertyName($pdx);
>>>           if($pnm == 'PARCEL_ID_'){ break; }
>>>           if($pnm == 'PARCELID'){ break; }
>>>           if($pnm == 'Key'){ break; }
>>>           $pnm = "";
>>>         }
>>>         if($pnm != ""){
>>>           while($featureReader->ReadNext()){
>>>             $stg = $featureReader->GetString($pnm);
>>>             if($stg != ""){	$obj_keys .= "'" . $stg . "'"; }
>>>           }
>>>         }
>>>         $obj_keys = str_replace("''","','",$obj_keys);
>>>       }
>>>     }	
>>>     return $obj_keys;
>>>   }else{ return ''; }
>>> }
>>> 
>> 
>> 
> 
> 

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