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Apple88 When creating a picklist to a field, Force.com add a picklist item "--None--" automatically. In some situations, we may not want to provide the "None" option for user to select. Is it possible to remove the "None" option from the picklist?
First, if the user selects '-None-' (or leaves that as the default value), the field value is set to '', not '-None-'.
You can define a default value for your picklist so it starts with something other than '-None-', though I think '-None-' is still an option that can be selected if the field is not marked as required.
If you make the field required, then '-None-' is not accepted as a valid value and probably doesn't appear in the list.
I hope this helps.
Mike