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Value cannot be null. Parameter name: value. iOS issue


when rendering chart with a single line series i get exception - Value cannot be null. Parameter name: value. 

However i only get this exception on iOS, while works fine on android.

I have included the exception and stacktrace in attachment.

I cannot determine the reason or the origin of this exception.

Regards Gjorgji.

Attachment: Exception_5219f784.rar

4 Replies

GB Gjorgji Belkoski August 22, 2016 12:15 PM UTC

Issue resolved.

The problem was setting font family on ChartTooltipBehavior.

The confusing thing was that exeption is only thrown on iOS while it works fine on android.

JC Jaikrishna Chandrasekar Syncfusion Team August 23, 2016 07:01 AM UTC

Hi Gjorgji, 
You have already created an incident on Direct Trac account for the same query. So we request you to follow with that incident for further details. 
Jaikrishna C 

ZH Zuhair Haroon Khan January 24, 2020 09:44 AM UTC

Hi syncfusion ,

I am also getting the same error upon using pdfViewer library and trying to opwn bookmark tag it crash whole app.

NK Navaneetha Kannan Sudalai Muthu Syncfusion Team January 27, 2020 12:19 PM UTC

Hi Zuhair,  

We have created a new incident with Id 262413 for the issue and updated the details on the incident. Kindly follow that incident for the details regarding the issue henceforth.  

Please let us know if you need any further assistance.  

Navaneetha Kannan   

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