Table 1: CompanyInfo<BR>(Fields : CoyId, coyName, country)<BR>Table 2: User<BR>(Fields : LoginId, CoyId, Name)<BR><BR><BR>Fist, I will displayed the pie chart for to get total count for the companyID (coyId) in each country. <BR>When I click on the country from the pie chart, I will hide the pie chart and display a bar chart to show the number of staff in the company.<BR><BR>I&#039;m managed to display only the pie chart, but I don&#039;t know how to link the bar chart to view detail of the staff in the company.<BR>Pls help<BR><BR>Thank you.<BR>