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Row drag and drop event in GRID sometimes not working correctly


I'm having problems with grid's rowDragAndDrop feature. While application is running on a slower machine, grid wont pick up the right row while dragging. I will include an example which shows (console.log) which row was targeted by native "mousedown" event and which row was picked-up by "rowDragStartHelper" event as the drag item.

As I said this happens on slower machines so to fully recreate this problem you will probably have to set the browser performance down like I did (chrome: devTools -> performance -> CPU throttling -> 4x slowdown).

This week I also reported a similar problem that is present in schedule component which was validated. https://www.syncfusion.com/feedback/11570/while-fast-dragging-cursor-point-and-the-cloned-element-are-not-synced

I also prepared a video example where I explain and show the problem. This video is 3 minutes long and therefor to large to send in attachment, thus I will upload it to a free hosting site where you can download and examine it.
VIDEO EXPLANATION: https://ufile.io/s3ggmidz (sound: on)

I hope that I provided you with enough material to validate this issue.

Best regards.

3 Replies

DR Dhivya Rajendran Syncfusion Team January 31, 2020 10:45 AM UTC

Hi Marko, 

Greetings from Syncfusion support. 

We have validated the provided information and we have already fixed and included the fix in syncfusion package version – v17.4.41. We suggest you to upgrade to this version or to the latest version(v17.4.46) to resolve the problem. 

Updated sample for your reference, 

Please let us know if you have any concerns. 

R. Dhivya 

MB Marko Bezjak February 2, 2020 12:38 PM UTC


I upgraded to the latest version and the problem is solved. Thank you for your help.

Best regards.

DR Dhivya Rajendran Syncfusion Team February 3, 2020 06:00 AM UTC

Hi Marko, 

Thanks for your update.  

We are happy to hear that the provided suggestion was helpful to resolve the problem. Please get back to us if you require further assistance from us. 


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