// Get a service used to work with express report
var eaxMdService = expressBox.getService();
// Get express report document
var eaxAnalyzer = expressBox.getSource();
// Determine visibility settings of express report views
var metadata = {
    bubbleChart: {
        enabled: True,
        visible: False
    },
    chart: { // Hide the Chart view
        enabled: False,
        visible: False
    },
    grid: {
        enabled: True,
        visible: True
    },
    map: {
        enabled: True,
        visible: True
    }
};
// Determine arguments for callback function
var args = new PP.Mb.Ui.PropertyChangedEventArgs({   
    PropertyName: PP.Exp.Ui.ControlType.ObjVisibility,
    Metadata: metadata,
    TypeUpdateData: PP.Exp.Ui.ViewTypeUpdate.All
});
// Determine callback function
var onPanelChanged = function (n, t) {        
    var chartView = expressBox.getDataView().getChartView();    
    t ? (chartView.DataChanged.fire(chartView, t.Args), t.Args.fireCallback(n, t)) : chartView.DataChanged.fire(chartView, t);
    // Refresh express report data area
    var dataView = expressBox.getDataView();
    dataView.refreshAll();
};
// Hide the Chart view of express report
eaxMbService.setVisibility(eaxAnalyzer, metadata, PP.Delegate(this.onPanelChanged, eaxMdService, args));