Found a bug for "External kanban drag and drop"

When I drag a card from Kanban A to Kanban B, if I drop the card at Kanban B header, it would cause the following error: (then the kanban board will not working any more)


and its is easily replicable the issue at the official docs demo,  preview of "external drag & drop" section:

(just drag and drop the cards to another kanban board header)



for my own scenario is I had to separate 'backlog' column to another kanban board because I want different layout:



So, is there any way to prevent the issue above or is there some kind of work around if I want this layout without having 2 different kanban board?


3 Replies

BS Buvana Sathasivam Syncfusion Team March 11, 2022 11:16 AM UTC

Hi Sheng, 

Greetings from Syncfusion support. 

We were unable to reproduce your reported problem. Please find the below video and sample for your reference. 


Could you please share your code or modify the above sample to reflect your issue and share your package version? So, we will check your issue and update the solution as soon as possible. 
  
Regards, 
Buvana S 



UN Unknown replied to Buvana Sathasivam March 11, 2022 07:46 PM UTC

Hi, my code is exact same as the demo from 'external drag and drop' => 'kanban to kanban' section.

I have tried again on the demo just now and able to cause the issue, here is what i get in the console:



I suspect when dragging cards to another kanban too fast or didn't put in the correct position will cause the selected card deselected and result in null.removechild or something.  



BS Buvana Sathasivam Syncfusion Team March 15, 2022 02:58 AM UTC

Hi Sheng, 

Thank you for your update. 

We were unable to reproduce your reported issue. We have used the exact documentation code and fast drag and drop or not correct position drop. Please find the below video for your reference. 


Could you please share the video with your issue for us to reproduce on our end? 

Regards, 
Buvana S 


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