该资料来源于：
http://blogs.msdn.com/alexgor/archive/2008/11/11/microsoft-chart-control-how-to-using-keywords.aspx
Keyword Replaced By Supports Multiple Y Values Supports Formatting String #VALX X value of the data point. No Yes #VALY Y value of the data point Yes Yes #SERIESNAME Series name No No #LABEL Data point label No No #AXISLABEL Data point axis label No No #INDEX Data point index in the series No Yes #PERCENT Percent of the data point Y value Yes Yes #LEGENDTEXT Series or data point legend text No No #CUSTOMPROPERTY(XXX) Series or data point XXX custom property value, where XXX is the name of the custom property. No No #TOTAL Total of all Y values in the series Yes Yes #AVG Average of all Y values in the series Yes Yes #MIN Minimum of all Y values in the series Yes Yes #MAX Maximum of all Y values in the series Yes Yes #FIRST Y value of the first point in the series Yes Yes #LAST转自:http://blog.csdn.net/gaofeng2000/article/details/3985823
