Will combobox.ItemData accept a string

Posted on 2002-04-18
Last Modified: 2010-05-02
When I try to add a string to the ItemData array I get a type mismatch error. It accepts integers OK.

What is wrong.

Question by:merlin007
LVL 70

Expert Comment

by:Éric Moreau
ID: 6951248
ItemData is a collection of LONG. You can't set it to strings.

Accepted Solution

rkot2000 earned 50 total points
ID: 6951256
if you want to store a string, you need to create an array of strings and store item index in the itemdata propery.


Expert Comment

ID: 6951501
yup.... unfortunately they're both right... it can be a pain..

I usually use the itemdata to store a bookmark from a recordset when the combo is populated, then if I wish to retrieve the record relevant to whatever is selected in the combo, I can simply use

Recordset.Bookmark = combo.itemdata(combo.listindex)
and pull whatever data direct from the recordset
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Expert Comment

ID: 6951507 method is a little flawed before anyone points it out - as the bookmark property actually returns a double within a variant.
However with current versions of ADO, the value of the double is always integer, so I can use the itemdata property
<fingers crossed that this doesn't change in later versions...>

Expert Comment

ID: 6951527
to nutwiss :
if it's a disconnected recordset you can store AbsolutePos.

p.s. you should not sort or filter your recodset after ...  
LVL 44

Expert Comment

ID: 6951566
nutwiss,  no need to worry, as THERE WILL BE NO LATER VERSIONS of VB... VB has been replaced by VB.NET, which allows the ItemData property to hold a OBJECT reference, so you can use almost ANYTHING you desire.  

Arthur Wood

Expert Comment

ID: 6951614
Yes, Arthur, i know - I meant any later versions of ADO :)
and rkot - I usually do filter or sort, that's why I use the bookmark...

Merlin, hope these suggestions help.

Author Comment

ID: 6951807
Thanks everyone

This was a great help


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