Hello Mariyam Khambhati,
The thread you mention was posted on Oct 13, 2008. That is why, the problem discussed in it is fixed in the latest version of the suite and you do not need a workaround.
Regarding your question about disabling the RadColorPicker on the client - as I mentioned in my previous post, you have to use the public setter for this property in order to disable the control and not the private _enabled field:
However, disabling the control will not hide it, it will only disable it. In case you want to hide the RadColorPicker, you can set "visibility:hidden", "display:none" or "position:absolute;top:-9999;left-9999;" depending on the expected result for its outermost element. For example:
radColorPicker.get_element().style.visibility = 'hidden';
the Telerik team
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