Question on "No Selection" Item for a dropdown data list?

I'm trying to set a dropdown data list on an input form to have a default value. It appears that the first item in the list (which will show as the default) is always interpreted as a null value? Is there a way to display a default value that won't be interpreted as null? Does NullValueFlag affect this behavior and if so, how? In the example below, I want 'United States' to be the default value and not be interpreted as null.
From the Online help - 'Using Complex UI Components'
"The selectOneChoice component supports a null value, that is, if the user has not selected an item, the label of the item is shown as blank, and the value of the component defaults to an empty string. Instead of using blank or an empty string, you can specify a string to represent the null value. By default, the new string appears at the top of the list of values that is defined in step 3"
<list id="View1country" IterBinding="View1Iterator"
ListOperMode="0" StaticList="true" NullValueFlag="1">
<AttrNames>
<Item Value="country"/>
</AttrNames>
<ValueList>
<Item Value="United States"/>
<Item Value="Canada"/>
</ValueList>
</list>

Hi,
No, there's no point in handling exceptions that can't possibly occur, and the UPDATE statement you posted can't possibly raise a NO_DATA_FOUND exception.

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Thank you for reading my post
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hello mate
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@Pablo_Souza

Question on "No Selection" Item for a dropdown data list?

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