MB Software Solutions wrote:
> Eugene Vital wrote:
>
>> MB Software Solutions wrote:
>>
>>
>>> I've got 2 columns in a grid. Yet, stepping through code in a past-Init
>>> event, it says the ColumnCount is 0. How can that be?
>>>
>>>
>>>
>>>
>> which event are you referring to?
>>
>>
>>
>
> I have two custom methods, SaveSource and RestoreSource, for saving and
> restoring the grid when requerying the underlying cursor data (MySQL
> backend):
>
> PROCEDURE savesource
> LOCAL loColumn as Column
>
> This.oColumnInfo = CREATEOBJECT("Collection")
>
> SET STEP ON
> FOR EACH loColumn IN This.Columns
> This.oColumnInfo.Add(loColumn.ControlSource)
> loColumn.ControlSource = .NULL.
> ENDFOR
>
> This.cOrigRecordSource = This.RecordSource
> This.RecordSource = .NULL.
> ENDPROC
>
>
> PROCEDURE restoresource
> LOCAL liIndex as Integer, loColumn as Column
>
> IF VARTYPE(This.oColumnInfo) <> "O"
> RETURN
> ENDIF
>
> liIndex = 1
>
> This.RecordSource = This.cOrigRecordSource
>
> FOR EACH loColumn IN This.Columns
> loColumn.ControlSource = This.oColumnInfo.Item[liIndex]
> liIndex = liIndex + 1
> ENDFOR
> ENDPROC
>
> I know I've used these before successfully in other apps, but for some
> reason, I'm having problems now in the RestoreSource as the ForEach loop
> doesn't run. And when I did a SET STEP ON, it told me that the
> ColumnCount for the grid was 0. Do you see a problem with this code?
>
Technically it looks correct. Maybe try a This.Refresh() or a
this.Requery() after setting the RecordSource property.
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