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Cannot create ChartDataPoint

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120011 Aug 24,2015 02:51 AM UTC Aug 28,2015 05:50 AM UTC Xamarin.Android 3
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Tags: SfChart
Cathryn McDonald
Asked On August 24, 2015 02:51 AM UTC

Another problem... I have the following code to create data points for my chart:
myData.Add (new ChartDataPoint (new DateTime(2015,8,24,16,0,0), 1.0));
myData.Add (new ChartDataPoint (new DateTime(2015,8,24,16,30,0), 2.0));
myData.Add (new ChartDataPoint (new DateTime(2015,8,24,17,0,0), 1.5));
However, when I go to compile the code, there is no matching constructor. The only constructor it can find is ChartDataPoint(System.IntPtr, Android.Runtime.JniHandleOwnership). However, the examples seem to create data points this way. There appears to be a constructor with ChartDataPoint(Object p0, Object p1) in the ChartDataPoint class, but the compiler can't find it.
What is going wrong here?

Yuvaraj Palanisamy [Syncfusion]
Replied On August 24, 2015 11:49 AM UTC

Hi Cathryn,

Thanks for using Syncfusion products.

We have to use Date object to create ChartDataPoint for date time value. Also, we have prepared a sample based on this.

Please find the sample from the below location,

Sample : http://www.syncfusion.com/downloads/support/forum/120011/ze/ChartSample993295755

Please let us know if you require further assistance.

Thanks,
Yuvaraj

Cathryn McDonald
Replied On August 27, 2015 06:29 AM UTC

Thanks, that works.

However I still can't get the DateTimeAxis to format correctly. I want to show the time with AM or PM, but using "T" or "tt" in the LabelFormat string causes the app to crash. Does Xamarin.Android support these formatting labels?

Yuvaraj Palanisamy [Syncfusion]
Replied On August 28, 2015 05:50 AM UTC

Hi Cathryn,

Thanks for the update.

We have prepared a sample for your requirement. Please find the sample from the below location,

Sample: http://www.syncfusion.com/downloads/support/forum/120011/ze/ChartSample-1392923326

Please let us know if you require further assistance.

Regards,
Yuvaraj

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