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Adding a blank option to a combobox
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Gestionnaire d'écran & Écrans
Divers
Thread ID:
00146606
Message ID:
00146613
Vues:
26
>Hi all,
>
>Frequently, my combo boxes are a list of codes that I use to set a filter. The codes are stored in a table along with their description. So for the recordsource, I use SQL:
>
>SELECT code, desc FROM codetable INTO CURSOR tmp ORDER BY code
>
>This works great if I want to force them to choose a code. But in some cases, I want them to be able to set the filter to everything. So, I want to put in the option to choose "". I don't, however, want to have "" as a code, since the codes are user-editable and they're likely to delete it. (Yeah, I know, I could get around that, but it makes things much more complicated)
>
>Is there an easy way to add the blank choice? I tried setting the SQL, then in the init doing THIS.AddItem(""), but I get an error. I think it was data type mismatch, but this was last night, so I don't remember for sure.
>
>I also tried, in the init, putting the SQL there, then doing AddItem to each record in tmp, and setting the rowsource to 0. I get the same error.
>
>Any ideas?
>
>-Michelle

Hi,

Though I didn't read your mail carefully but can you afford to have

CREATE CURSOR cDummy (cDummy C(5)
APPEND BLANK

SELECT code, desc FROM codetable INTO CURSOR tmp ORDER BY code
UNION
SELECT '' AS code,' ' AS desc FROM cDummy

Make sure Unions are compitible.

Bye
Jayesh
- Jayesh
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