[OpenLayers-Users] ModifyFeature and SelectFeature error

[J.Alejandro Martinez Linares]

Hi peoples, i have a question for all you, the main code of my project is this, and i have dudes, 
because maibe, there are problem beetwhen "OpenLayers.Control.ModifyFeature" and 
"OpenLayers.Control.SelectFeature"
and i want to know if i have to take a care when i use them in a same app, here 
is my code below, take a look and tell me about it, because i have

//------------------------------------------------------------------------------------------------------
feature.layer is null
http://localhost/personal/assets/ge/OpenLayers-2.11/lib/OpenLayers/Control/SelectFeature.js
Line 324
//------------------------------------------------------------------------------------------------------

and it occurr when i select a feature and save changes in it and next i try to 
select another feature


//------------------------------------------------------------------------------------------------------

modifyControl = new OpenLayers.Control.ModifyFeature(vlayer,
{
     autoActivate : true,
         onModificationStart : function(feature)
                {
                ll=feature.geometry.getBounds().getCenterLonLat();
                console.log(ll);
                },
         onModificationEnd : function(feature)
                {
                if (intersec(feature))
                        {

                        }
                        else
                        {
                        Ext.MessageBox.show({
                                title: 'Error',
                                msg: 'Esta intentando mover puntos fuera de lo 
permitido',
                                buttons: Ext.MessageBox.OK,
                                icon: Ext.MessageBox.ERROR
                        });

                        }
                modifyControl.unselectFeature(feature);
                }
}
);

drawControl = new OpenLayers.Control.DrawFeature(
vlayer,
OpenLayers.Handler.Point,
{
        handlerOptions :
                {
         multi : false
                },
        featureAdded : function(feature)
                {
                if (intersec(feature))
                        {

                        }
                        else
                        {
                        Ext.MessageBox.show({
                                title: 'Error',
                                msg: 'Esta intentando insertar puntos fuera de 
lo permitido',
                                buttons: Ext.MessageBox.OK,
                                icon: Ext.MessageBox.ERROR
                        });
                        vlayer.removeFeatures([feature]);
                        }
                }
});

selectvlayer = new OpenLayers.Control.SelectFeature([vlayer, vlayerMunicipios],
{
     hover : true,
     highlightOnly : true,
     clickout : false,
     toggle : false,
     multiple : false,
     allowSelection : false,
     click : true,
     clickFeature : function (e)
     {
        
          if(featureGrid.collapsed == true)
          {
               if((e.fid == "uneMunicipios.70") || (e.fid == 
"uneMunicipios.149"))
               {
                    map.zoomToExtent(e.geometry.getBounds(), true);
               }
               else
               {
                    popup(e);
               }
          }
                  else
                  {
                
                  }
     }
});

featureGrid = new Ext.grid.EditorGridPanel({
   ref : "featureGrid",
   collapsible : 'true',
   animCollapse : true,
   collapsed : true,
   title : "Feature Table",
   region : "south",
   height : 150,
   sm : new GeoExt.grid.FeatureSelectionModel(),
   store : new Ext.data.Store(),
   columns : [],
   listeners : {
         "beforecollapse" : function(p,a) {
                        selectvlayer.activate();
                        modifyControl.deactivate();
         },
                 "beforeexpand" : function(p,a) {
                        selectvlayer.deactivate();
                        modifyControl.activate();
         }
    },
   sm : new GeoExt.grid.FeatureSelectionModel({
      selectControl : modifyControl.selectControl,
      autoActivateControl : false,
      singleSelect : true
   }),
   store : new Ext.data.Store(),
   bbar : [
   {
    text : "Eliminar",
    handler : function() {
                                
featureGrid.getSelectionModel().each(function(rec) {
                                        var feature = rec.getFeature();
                                        modifyControl.unselectFeature(feature);
                                        vlayer.removeFeatures([feature]);
                                        if (feature.state !== 
OpenLayers.State.INSERT) {
                                                feature.state = 
OpenLayers.State.DELETE;
                                                featureGrid.store.featureFilter 
= new OpenLayers.Filter({
                                                        evaluate : function(f) {
                                                                                
return feature !== f;
                                                                                
}
                                                });
                                                vlayer.addFeatures([feature]);
                                        }
                                });
                        }
   },
        new GeoExt.Action({
        control : drawControl,
        text : "Crear",
        enableToggle : true,
        ref : 'crear'
        }),
        {
        text : "Guardar cambios",
        handler : function() {
                                featureGrid.store.proxy.protocol.commit(
                                        vlayer.features,
                                        {
                                        callback : function() {
                                                                        
selectedLayer.redraw(true);
                                                                        
featureGrid.store.reload();
                                                                }
                                        }
                                );
                                }
        }
        ]
});
items.push(featureGrid);

//------------------------------------------------------------------------------------------------------



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