How to avoid display NULL value |
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lenny9019
Newbie Joined: 11 May 2017 Status: Offline Points: 2 |
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Posted: 11 May 2017 at 3:04am |
Hello, I'm using CXTPChartControl to draw some charts. But some of my data is missing and I have to input NULL value, however, no matter I choose CXTPChartBarSeriesStyle or any similar styles, the control will use 0 to replace NULL and draw many zero values.
If I drop all the NULL values, the interval for the AxisX will be quite different, so I must keep these missing values. Please tell me how to make the control do not show NULL as zero... Thank you very much...
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