I'm building a custom list with several columns, including a Calculated column.
This calculated column simply takes the value of a choice column in the same list to convert this value to a single line of text value.
I do this because when adding a lookup column to this list, I cannot select Choice columns as additional columns, but I can add the calculated column.
Speaks for itself that this calculated column only needs to exist in the background, and end users should not see this column in the Add/Edit/Display forms.
In add/edit forms the column is not displayed, but in the display form it gets displayed.
Piece of cake I thought, I'll just set it as hidden in the content type used for the list.
When I open the column the column settings (required/optional/hidden) is grayed out, so I cannot set it to hidden.
In SP2007 this was possible, why can't I do this anymore in SP2010?
Do I miss some feature in order to do this, or is there a good reason why this seems to have changed in SP2010?
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