We can quickly write a function which returns a Pie Chart at runtime. Assuming that we are making a pie chart for the number of visitors/users from different countries, we will pass System.Data.DataTable as parameter to the function and it shall return a Chart object. Please add following namespaces to the page/class. using System.Windows.Forms.DataVisualization.Charting; using System.Drawing; using System.Data; Write the following function to get a Chart as return Parameter. You can pass a Datatable to the funtion with following schema, Datatable dt (Country Text, Users Int) Following is the function : protected internal Chart GetPieChart(DataTable dtChartData) { Chart pieChart = new Chart() { Width = 800, Height = 800 ...