Chart: Set Default Value for CartesianGridLineAnnotation

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Unplanned

Last Updated: 02 Aug 2023 12:29 by ADMIN

Steve

Created on: 20 Jul 2023 12:43

Category: Chart

Type: Bug Report

Chart: Set Default Value for CartesianGridLineAnnotation

Hi Team,

Only on iOS, an app will crash if the CartesianGridLineAnnotation's Value is not set. On Windows and Android, this does not occur.

Example:

<telerik:RadCartesianChart x:Name="chart">
    <telerik:RadCartesianChart.Annotations>
        <!-- PROBLEM: Crashes on iOS due to not have a default value-->
        <telerik:CartesianGridLineAnnotation x:Name="marker" Axis="{x:Reference xAxis}"/>
        
        <!-- WORKAROUND: Set a default Value -->
        <telerik:CartesianGridLineAnnotation x:Name="marker" Axis="{x:Reference xAxis}" Value="0"/>
    </telerik:RadCartesianChart.Annotations>
</telerik:RadCartesianChart>

2 comments

ADMIN

Didi

Posted on: 02 Aug 2023 12:29

Hello Steve,

I tested the case without using null values and still exception occurs on my side. So here the null values do not provoke the exception.

Regards,
Didi
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Steve

Posted on: 31 Jul 2023 20:27

After more testing, it appears that the root of the issue may be the the RadCartesianChart on iOS does not handle null values within a series.