8. Change the chart to pie chart
To change chart type form Line to Pie. Update column DASHTYPE of table DASH_WIDGET_PROP of the record to "pie".
To change series type form Line to Pie. Update column CHART_TYPE of table DASH_WIDGET_CHART_PROP of the record to "pie".
Click the training page again. The screen should be shown look like this picture.
The new chart represents Income comparison between Bangkok and Up country by quarter in Pie chart.