
I have multi-select drop-down which having 10000 devices data. i have configured server side filtering and virtualization . but while searching I am getting a issue with value mapper . it's copying selected data.
https://dojo.telerik.com/eyuTEZaZ
I am getting reference above link . its also giving same issue .
7 Answers, 1 is accepted
Hi,
May I ask you to explain how to reproduce the issue in question on the Dojo sent? Please, list all required steps one by one, so I will be able to observe the problem at my end.
Regards,
Veselin Tsvetanov
Progress Telerik
Our thoughts here at Progress are with those affected by the outbreak.

Step to reproduce the issue :-
1. Select data from ui kendo multi-select with server side searching.
2. At same time value mapping click on multi-select box. it's copying same data.
Note:- It's showing ambiguous nature after doing this process again and again issue is reproduce.
Hello,
Attached you will find a short video demonstrating how I tried to reproduce the issue in question based on the provided steps. You will see that the problem in question was not present. Could you, please, tell me if I am missing any step? Also, could you send me a similar video demonstrating the proper way to replicate the issue?
Regards,
Veselin Tsvetanov
Progress Telerik
Our thoughts here at Progress are with those affected by the outbreak.

Hi,
Thank for the video sent.
I have followed the same steps like those on the screencast in question in numerous attempts to reproduce the problem locally. Nevertheless, I did not manage to replicate the issue in question. Can you provide us with more detailed instructions that would result in stable and consistent reproduction of the issue?
Regards,
Veselin Tsvetanov
Progress Telerik
Our thoughts here at Progress are with those affected by the outbreak.

Ok it's so simple to reproduce.
1. Search and select data by server side searching.
2. When loading icon is appearing on same time select another data from dropdown. this issue will appear.
for more please check this another video and do same.
Hi,
Thank you for the further clarification provided. Based on that I was able to replicate the issue in question.
Here you could find the GitHub issue on that:
https://github.com/telerik/kendo-ui-core/issues/5792
Keep tracking the above, as at this stage I won't be able to provide you with a viable workaround for the discussed.
As a small token of gratitude for helping us isolate the discussed, I have updated your Telerik points.
Regards,
Veselin Tsvetanov
Progress Telerik
Our thoughts here at Progress are with those affected by the outbreak.