In order to display a 3D chart by setting property values at design time you need to work with the ChartArea property of the chart control.
The ChartArea properties window can be displayed by clicking ChartArea collection in Chart1 properties. In the ChartArea properties window you need to set the Enable3D property to True as shown in the next figure
Referenced article: http://dotnetslackers.com/articles/aspnet/Microsoft-Chart-with-ASP-NET-35-Part2.aspx