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Cannot convert to Modern UI: PXSplitContainer inside PXSplitContainer

  • November 5, 2025
  • 1 reply
  • 34 views
H
Jr Varsity III
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When Convert to Modern UI it gives error “An item with the same key has already been added.”. 

Best answer by aleksandrsechin

It’s probably not an issue with the nested PXSplitContainer, as it converts fine on my side.
To identify the exact cause, it would be helpful if you could share the ASPX file code along with the BLC and DAC code so that I can reproduce the error and determine what’s causing the problem.

1 reply

A
Jr Varsity I
Forum|alt.badge.img+3

It’s probably not an issue with the nested PXSplitContainer, as it converts fine on my side.
To identify the exact cause, it would be helpful if you could share the ASPX file code along with the BLC and DAC code so that I can reproduce the error and determine what’s causing the problem.

Chris Hackett
A
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