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Select Object error

 
Greenhorn
Posts: 29
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Hi,all
My code is follow:

the problem is:i can't select first item until select other items
who may tell me how to do?
Thanks in advance
 
author
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add another item saying "Select an Item" on top?

Eric
 
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Or initialize the value of the textbox with the first selected item of the combobox.
 
I suggest huckleberry pie. But the only thing on the gluten free menu is this tiny ad:
Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop
https://coderanch.com/wiki/718759/books/Building-World-Backyard-Paul-Wheaton
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