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Kanban Board crashes when open second time

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143961 Apr 11,2019 07:43 PM UTC Apr 16,2019 12:28 PM UTC Xamarin.Forms 3
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Tags: SfKanban
Umair Hassan
Asked On April 11, 2019 07:43 PM UTC

Unhandled Exception:

System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'NativeKanbanExt'.


This exception comes. And only happens on iOS. I test it on iPhone 6s. For android it's working fine.

Bharathiraja K [Syncfusion]
Replied On April 15, 2019 09:59 AM UTC

Hi Umair, 
  
We have tried to replicate the reported issue at our end by created a sample with the following scenarios which will cause object disposed exception: 
  
- By navigating between Kanban sample page and MainPage 
- By dynamically removing and adding Kanban control. 
- By dynamically removing and adding Kanban cards. 
  
We are afraid that, we are not able to reproduce the issue at our end. 
  
Please find the sample from the below link.  
  
Since we are not aware of your exact application scenario, we were not able to reproduce this issue at our end, so can you please revert us by modifying the sample based on your application along with replication procedure. This will be helpful for us to investigate further and provide you a better solution at the earliest. 
  
Regards, 
Bharathi. 


Umair Hassan
Replied On April 15, 2019 10:01 AM UTC

Thanks but i am able to resolve it by adding binding context of SfKanban. This crash will happen if we didn't set binding context.

Bharathiraja K [Syncfusion]
Replied On April 16, 2019 12:28 PM UTC

Hi Umair, 
 
We have tried to replicate the reported issue at our end by creating a sample without setting BindingContext for Kanban and tested in iOS platform. We afraid that, we are not able to reproduce the issue at our end. 
 
Please find the sample from the below link. 
 
 
Can you please modify the sample if possible or kindly let us know how you application architecture differs from this? This will be helpful for us to investigate further and provide you a better solution at the earliest. 
  
Regards, 
Bharathi. 


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