On Thursday 25 February 2010 12:18:38 am Uwe Grauer wrote:
> John wrote:
> > Hi,
> > Working with an interesting issue. I have a table (this is not my table)
> > that contains a legal null value for a field ("product_category") and
> > does not have a key (just text ). When I display the table in a grid all
> > is fine with the null value because the grid displays '<None>' as I would
> > have expected.
> >
> > I also have a dropdown for the same field that needs to allow a null
> > or '<None>' for the choices (ValueMode = string because there is no
> > key). I manually add the string '<None>' to the Choices. However, when
> > I select the records on the grid that contain null values, the dropdown
> > does not move to the related '<None>'. Selecting a record that does not
> > contain a Null (IOW's a string for the value) the dropdown selection
> > follows correctly. I can't add a null value to a Choices items. So I'm
> > looking for suggestions.
> >
> > I was thinking I should bind a method to update the dropdown to the grid
> > row selection. What are your thoughts.
> >
> > Johnf
>
> I solved this by a default value of 0 in the database field.
> The dropdowns key, value for this is 0, "-/-".
>
> Uwe
Oh can't change the database table. Also this dropdown does NOT use ValueMode
= 'key'. But a solution was found see later email.
Johnf
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