All this is likely to break such objects and I am afraid it cannot be avoided.
What I can offer as a possible workaround, but I cannot guarantee it will work is the following:
- try toggling the windowless property to see if this makes a difference
- try using the OnClientShow event
of the control to create the SL object with JS
- if you have your own method that can re-initialize the SL control you can call it with JS in the OnClientShow event instead of creating the object dynamically.
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