Why this
error is appears every time when I run the program?
Error: “An
element with the same key has already been added”
I have two
grids on the page. IDs GRIDs is different.
Thanks.
2 Answers, 1 is accepted
0
Stefan
Telerik team
answered on 02 Apr 2018, 06:44 AM
Hello, Olexandr,
Thank you for the details.
This sounds like an old issue that we had and it is already fixed: