ActiveReports 16 .NET Edition
ActiveReports 16 User Guide / Concepts / Page Report/RDL Report Concepts / Toolbox / Chart / Trendlines / Exponential Trendline
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    Exponential Trendline
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    An Exponential trendline creates a best-fit curved line that illustrates how data values increase or decrease and then level out. You can use this trendline only with positive numbers. If the data series contains any zero or negative numbers, then this trendline is not available.

    This trendline uses the following equation:


    where "c" and "b" are constants, and "e" is the base of the natural logarithm.

    Property Description
    BackwardForecastPeriod Sets a number of periods that the forecast extends backward.
    DetailLevel Specifies if the overlay calculation should include the entire data set or each detail group. Select from Total or Group.
    FieldName Sets the field name for the reference line to use.
    ForwardForecastPeriod Sets a number of periods that the forecast extends forward.
    Intercept Sets the intercept value of Y-axis.
    LegendLabel Sets the legend label of the trendline.


    Sets the display position. Select from Front or Back.


    Enter the name of the trendline.

    Select the type of the trendline from the list of available types.

    LineStyle Sets the style of the line. Select the LineColor, LineStyle and LineWidth properties of the line.

    Chart Trendlines - Exponential

    In the OverlayDesigner Collection Editor, you can set an Exponential trendline with the properties as follows.

    Property Value
    LineStyle > LineColor Red
    LineStyle > LineStyle Solid
    LineStyle > LineWidth 3pt
    Configurations > BackwardForecastPeriod 0
    Configurations > DetailLevel Total
    Configurations > ForwardForecastPeriod 0
    General > Display Front
    General > Type ExponentialTrendline