问题描述:
如下图:DevExpress Chart中图例等都是100%,而鼠标滑过的却是99.98%,两个值怎么不一样啊?(准确数据是99.98%)
代码附上:
<dxc:ChartControl Name="chart" Grid.Row="1" Grid.Column="0"
DataSource="{Binding ElementName=pivotGridControl1,
Path=ChartDataSource}">
<dxc:ChartControl.Legend>
<dxc:Legend HorizontalPosition="Right" />
</dxc:ChartControl.Legend>
<dxc:ChartControl.Diagram>
<dxc:XYDiagram2D SeriesDataMember="Series">
<dxc:XYDiagram2D.AxisX>
<dxc:AxisX2D>
<dxc:AxisX2D.ScrollingRange>
<dxc:AxisRange />
</dxc:AxisX2D.ScrollingRange>
<dxc:AxisX2D.Label>
<dxc:AxisLabel Staggered="True" />
</dxc:AxisX2D.Label>
</dxc:AxisX2D>
</dxc:XYDiagram2D.AxisX>
<dxc:XYDiagram2D.SeriesTemplate>
<dxc:BarSideBySideSeries2D ArgumentDataMember="Arguments" ValueDataMember="Values" />
</dxc:XYDiagram2D.SeriesTemplate>
</dxc:XYDiagram2D>
</dxc:ChartControl.Diagram>
</dxc:ChartControl>
DataSource="{Binding ElementName=pivotGridControl1,
Path=ChartDataSource}">
<dxc:ChartControl.Legend>
<dxc:Legend HorizontalPosition="Right" />
</dxc:ChartControl.Legend>
<dxc:ChartControl.Diagram>
<dxc:XYDiagram2D SeriesDataMember="Series">
<dxc:XYDiagram2D.AxisX>
<dxc:AxisX2D>
<dxc:AxisX2D.ScrollingRange>
<dxc:AxisRange />
</dxc:AxisX2D.ScrollingRange>
<dxc:AxisX2D.Label>
<dxc:AxisLabel Staggered="True" />
</dxc:AxisX2D.Label>
</dxc:AxisX2D>
</dxc:XYDiagram2D.AxisX>
<dxc:XYDiagram2D.SeriesTemplate>
<dxc:BarSideBySideSeries2D ArgumentDataMember="Arguments" ValueDataMember="Values" />
</dxc:XYDiagram2D.SeriesTemplate>
</dxc:XYDiagram2D>
</dxc:ChartControl.Diagram>
</dxc:ChartControl>
后台代码:
pivotGridControl1.DataSource = ds.Tables[0];
问题解答:
针对您所提的问题,需通过设置PercentOptions.PercentageAccuracy属性来更改其精确度来解决,具体请参考以下代码:
<dxc:PieSeries2D.PointOptions>
<dxc:PointOptions x:Name="PointOptions" PointView="Values">
<dxc:PieSeries.PercentOptions>
<dxc:PercentOptions PercentageAccuracy="4" />
</dxc:PieSeries.PercentOptions>
<dxc:PointOptions.ValueNumericOptions>
<dxc:NumericOptions Format="Percent" Precision="1" />
</dxc:PointOptions.ValueNumericOptions>
</dxc:PointOptions>
</dxc:PieSeries2D.PointOptions>
<dxc:PointOptions x:Name="PointOptions" PointView="Values">
<dxc:PieSeries.PercentOptions>
<dxc:PercentOptions PercentageAccuracy="4" />
</dxc:PieSeries.PercentOptions>
<dxc:PointOptions.ValueNumericOptions>
<dxc:NumericOptions Format="Percent" Precision="1" />
</dxc:PointOptions.ValueNumericOptions>
</dxc:PointOptions>
</dxc:PieSeries2D.PointOptions>
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欢迎任何形式的转载,但请务必注明出处,尊重他人劳动成果
转载请注明:文章转载自:DevExpress控件中文网 [https://www.devexpresscn.com/]
本文地址:https://www.devexpresscn.com/post/291.html