Extjs error handeling, uitzoeken.

extjs-store-error.js

store.load({
  params: {
    'param1':waardel,
    'param2': waarde2
    },
    callback:function(records, operation, success){
      msg.hide();
      if(success === true){
        if(records.length === 0){
          Ext.Msg.alert('Resultaat', 'Nix');
        }
      }
      if(success === false){
        try{
          Ext.Msg.alert('Error', operation.getError()); // way more elegant than ussing rawData etc ...
        }catch(e){
          Ext.Msg.alert('Error', 'Error iets op de servert.');
        }
      }
    }
});