[Users] featureFilter in GeoExt.data.FeatureStore

[Schmitz, Sebastian]

Hi list,
I have got an Ext.grid.GridPanel using a Geoext.data.FeatureStore as its store. The store uses a GeoExt.data.ProtocolProxy to get features from a WFS. On that store I set the featureFilter-configOption in order to only display (and request) a subset of the available features in the grid (for instance only those within a given geometry, or with a specific id; for now, I am working with a simple comparison filter).
However, the filter is not getting evaluated and all features are requested and show up in the grid. I would be very glad, if someone could point me to what I am missing.

Here is the code for the grid panel:
gridPanel = new Ext.grid.GridPanel({
             ref: 'featuregrid',
             title: 'Tabellenansicht Parkhäuser',
             region: 'north',
             height: 200,
             sm:  new GeoExt.grid.FeatureSelectionModel(),
             store: new GeoExt.data.FeatureStore({
               fields: [
                   {name: "name", type: "string"},
                   {name: "art", type: "string"},
                   {name: "frei", type: "string"},
                   {name: "received", type: "string"}
                     ],
                 proxy: new GeoExt.data.ProtocolProxy({
                         protocol: new OpenLayers.Protocol.WFS({
                             url: "http://gateway.hamburg.de/OGCFassade/Test_HH_WFS_Fachdaten.aspx",
                             version: "1.1.0",
                             featureType: "verkehr_parkhaeuser",
                             featureNS: "http://www.deegree.org/app",
                             srsName: "EPSG:25832"
                         })
                     }),
                 featureFilter: new OpenLayers.Filter.Comparison({
                           type: OpenLayers.Filter.Comparison.EQUAL_TO,
                     property: "name",
                     value: "Alsterhaus"
             }),
             autoLoad: true
           }),
           columns: [
               {header: "name", dataIndex: "name"},
               {header: "Art", dataIndex: "art"},
               {header: "Freie Stellplätze", dataIndex: "frei"},
               {header: "Aktualität", dataIndex: "received"}
           ]
       });

You can also find an online-version at http://geoportal-hamburg.de/verkehr2-dev/index2.html  (the above code is in app.js)

Best regards and thanks already,
Sebastian
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