andy
Posts: 183
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| Posted: 07/25/2007, 7:45 AM |
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If you would like to display 2 fields with a separator or space between them in a listbox
such as:
Field1 :: Field2
Then this is how you do it:
In the Data properties for the listbox, select SQL under Data Source Type.
In Data Source, click on the ... to enter the query builder.
You will want to select 2 fields. One for the bound column (data stored at database level) and one for the Text column (data displayed on the form).
The Text column is a concatanation of 2 fields with a separator in the middle.
Here is an example:
SELECT Name, concat(AccountType," :: ",Name) 2cols
FROM account
WHERE AccountType="Cost of Goods Sold"
ORDER BY ID
Name and AccountType are fields in the table "account"
Name is selected and the alias (made up name) "2cols" is selected.
2 cols displays as AccountType :: Name
You can include a Where statement if you want to limit the records displayed.
You can include an ORDER BY field to change the sort order
Then - to continue this example - in the Data properties for the listbox,
select Name under Bound column
select 2cols under Text column
You can of course change the separator by putting a space or any other characters between double quotes in the sql statement
Ta da
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Andy
RAD tools for rich UI controls:
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wkempees
Posts: 1679
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| Posted: 07/25/2007, 11:10 AM |
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And if you like to do the same on a Listbox that is already functioning:
Open the Listbox's Datasource [..]
click SELECT, look al lower right pane of VQB
where it says (using same example)
on one row Name
and on the next AccountType
Change AccountType to
concat(AccountType, " :: ", Name)
and in the next column (Alias) type AccountType
This will
a/ do the same as Andy's example
b/ allow for maximum result at minimum effort
c/ leave the DataSource type: Table and not change it to SQL
For MySQL users, you can also use
concat_ws(<separator>,<fieldname>[,<fieldname>])
which rewrites above example as concat_ws(" :: ", AccountType, Name)
Just thought I'd mention it.
I always start out with the simple version of a listbox and using above
described expand it.
Walter
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marcwolf
Posts: 361
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| Posted: 08/05/2007, 4:34 AM |
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Nice ideas.. and a couple of suggestions..
Use monospaced font for the list box... Like Courier
And with various DB servers to can do pads and trips so to limit each 'column'
I've used this before and it really looks good. Something akin to MSAccess Listboaxes and Combo's
Take Care
Dave
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