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List Items Clear current label

Posted on 2004-04-07
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Last Modified: 2013-12-12
Hi,
    Does anybody knows how to clear the existing label of an Item List? I know Clear_List Function...What I mean is after I have cleared my Item List still the current label still exist....anyone has an idea?

regards
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Question by:GoodHands_Delphi
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Accepted Solution

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musdu earned 20 total points
ID: 10776813
Hi

if "Required" property of your list istem is "NO", Clear_list built-in clears all list items. But if it is "YES", it does not clear current label. So first set "Required" property to "NO" then clear list.

Set_Item_Property('MYLISTITEM', REQUIRED, PROPERTY_FALSE);
Clear_List('MYLISTITEM');

regards.
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Author Comment

by:GoodHands_Delphi
ID: 10777515
hi
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Author Comment

by:GoodHands_Delphi
ID: 10777532
hi
  I tried your solution but it seems nothing happened...still current label exists once i press button for refresh...I have set required to NO and then try SET_ITEM_PROPERTY..by the way I use combo box for my list style..FYI....tnx...appreciate for you reply...


regards
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LVL 6

Expert Comment

by:musdu
ID: 10777726
Hi,

set "Initial Value" property of your list item to NULL during design time (If you need an initial value, assign it in when-new-form-instance trigger)

regards
----------------------
For a Poplist or T-list-style list item, CLEAR_LIST will not clear the default value element or the other values element from the list if they do not meet the criteria specified for deleting these elements with DELETE_LIST_ELEMENT.

When either the default value or other values element cannot be deleted, CLEAR_LIST leaves these elements in the list and clears all other elements. Refer to the restrictions on DELETE_LIST_ELEMENT for more information.
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