ChartAxis.dataValueToValue Method
        
 Converts a data source value to an axis value. This applies to some axis scale types such as categorical that position using different values.
 
         
        Parameters
        
            - dataValue
            
 
            - 
                
Type: Object
The data source value. 
        
        Return Value
        
Type: Object - May be null
The axis value, or null if none.