The demo shows Spline and Step Line appearance in the ASP.NET AJAX Chart by setting the LineStyle property under the series LineAppearance tag like this: 	
The Spline appearance is configured with the Smooth 		option from LineStyle (or ExtendedLineStyle for  		Area and Line series) enumeration for the following series: 	
	- 
		Area
	
- 
		Line
	
- 
		Radar Line
	
- 
		Radar Area
	
- 
		Polar Line
	
- 
		Polar Area
	
- 
		Scatter Line
	
The Step Line appearance could be used by setting the Step option from  		ExtendedLineStyle enumeration for the following series: 	
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