Thanks Ed - I have both field and record validation - I'll try putting
acceptable defaults in, if thats no go I'll rely on record level validation
(although I prefer to validate after each field is entered). I find it a
little strange that dabo creates a new blank record and 'field' validates it
before you populate it with data, rather than just creating a work area
which can be validated during the data population Once populated the record
work area could then be added to the data set or discarded.
I had found the example in the wiki and I have the dropdown working OK -
my query was more in terms of methods of programatically navigating to the
correct record in the dataset from the selected item in the dropdown and
thus updating the display.
Thanks, Rodgy
----- Original Message -----
From: "Ed Leafe" <[email protected]>
To: "Dabo Users list" <[email protected]>
Sent: Saturday, January 24, 2009 12:05 PM
Subject: Re: [dabo-users] Drop Down List as a Lookup
> On Jan 23, 2009, at 6:46 PM, Roger Lovelock wrote:
>
>> 1/ I have a simple CRUD screen with validation in the business
>> object. The first two of the fields are validated that they are not
>> empty. When I execute a new() the fields start to clear, but then
>> everything stops wiith my error message on the second field saying
>> something must be entered. Its as if the validation is being
>> performed as the new (blank) record is being added - does this imply
>> that all fields must have a default value that meets the validation
>> criteria?
>
> Is this field-level validation? If so, then you probably should
> provide appropriate default values. Record-level validation is only
> applied when attempting to save a record to the database.
>
>> 2/ Second problem - I may not be having joy here as the situation is
>> obscured by the first problem - I want a drop down list of account
>> codes to use as a lookup mechanism ie list all account codes on the
>> screen - click on one and navigate directly to that record. I have
>> created the dropdown list OK - obviously I cannot link the dropdown
>> list to the datasource and datafield as when I am adding a record
>> the new account code will not exist - I am assuming I will have to
>> write some code to change the current record when a value is
>> selected from the dropdown list - are there any simple examples
>> around?
>
>
> http://dabodev.com/wiki/HowToPopulateAndUseListControls
>
> -- Ed Leafe
>
>
>
>
[excessive quoting removed by server]
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