private void RefreshChart()
{
var regionSelected = cbbRegion.SelectedItem as ComboData;
var countySelected = cbbCounty.SelectedItem as ComboData;
if (regionSelected != null && countySelected != null)
{
dgwRegionData.DataSource = DataReaderCounty.ReadCountyData(regionSelected.value, countySelected.value).ToList();
}
}
private void cbbRegion_SelectedIndexChanged(object sender, EventArgs e)
{
cbbCounty.Items.Clear();
var selected = cbbRegion.SelectedItem as ComboData;
var county = DataReaderCounty.ReadCounties(selected?.value ?? 0)
.Select(r => new ComboData()
{
value = r.codice_provincia, display = r.denominazione_provincia
}).ToArray();
cbbCounty.Items.AddRange(county);
RefreshChart();
}