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Stored procedures
Deletes a data series from a chart. The data found in the series is deleted.
Caution: The remaining series will be re-numbered. For example, if the series 1 is deleted, the series 2 becomes the series 1, ...
Example
// Delete the second data series from "MyChart"
grDeleteSeries("MyChart", 2)
// Delete the third data series from "CHART_MyChart"
grDeleteSeries(CHART_MyChart, 3)
Syntax
grDeleteSeries(<Chart name> [, <Series number> [, <Options>]])
<Chart name>: Character string (with or without quotes)
Name of chart defined by grCreate or name of Chart control.
<Series number>: Optional integer
Number of the series to delete. If this parameter is not specified, the entire data is erased from the chart.
<Options>: Integer constant
Versions 15 and later
Type of deletion to perform:
grDataDelete data from the series.
grDataAndStyle
(Default value)		Delete data and style from the series.
New in version 15
Type of deletion to perform:
grDataDelete data from the series.
grDataAndStyle
(Default value)		Delete data and style from the series.
Type of deletion to perform:
grDataDelete data from the series.
grDataAndStyle
(Default value)		Delete data and style from the series.
Remarks
  • If all the chart series are deleted, new data must be added in order to redraw the chart.
  • The modifications performed by grDeleteSeries will be taken into account during the next call to grDraw.
  • For a series based on an item, the data is erased. The data source is stored and the data can be rebuilt. To cut the link to the source, use grSourceSeries and modify the source of the series.
Related Examples:
WD Chart Training (WINDEV): WD Chart
[ + ] This example shows the different uses of the chart control.
The following charts are presented:
- Semi-circular
- Donut
- Pie
- Sunburst
- Line
- Scatter
- 3D Scatter
- Column
- Area
- Bubble
- Radar
- Funnel
- Surface
- Waterfall
- Composite
- Comparative

The main features presented in this example are the customization of charts by programming, as well as the method used to fill a chart from an HFSQL file or in the editor.
The Chart functions Unit examples (WINDEV): The Chart functions
[ + ] Using the main chart designer features of WINDEV:
- Create a Pie, Column or Line chart
- Define the display area of a chart
- Define the chart options (legend, percentage, ...)
- Draw a line on a chart
Component : wd250grf.dll
See also
Minimum version required
  • Version 9
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