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Grid ActiveRow always returns 0
Message
From
14/05/2004 08:22:59
 
 
To
14/05/2004 07:29:28
General information
Forum:
Visual FoxPro
Category:
Classes - VCX
Miscellaneous
Thread ID:
00904000
Message ID:
00904018
Views:
20
Denis,

Yes, I know.

Which is exactly why I go through pains to set the focus to the grid.

Isn't the idea of the grids setfocus method that the grid receives the focus?


>Hi
>ActiveRow returns zero if the grid doesn't have the focus or when you access a row outside the grid display.
>If you code in DeleteButton.Click() - then grid lost focus and focus go to DeleteButton and ActiveRow change value to 0.
>ActiveRow is not 0 just within Grid object
>
>Denis
>
>
>>Scenario: oForm.Pageframe.Page1.DeleteButton.Click
>>
>>This code produces error 52 in line 3, no table open in current work area
>>
>>
>>SELECT MyTable                           && Yes, it's open !!
>>THIS.PARENT._grid1.SETFOCUS              && Should ensure correct activerow
>>   IF THIS.PARENT._grid1.ActiveRow <> 0  && Error occurs
>>	DELETE
>>	THIS.PARENT._grid1.REFRESH
>>   ENDIF
>>
>>
>>So I tried
>>
>>
>>SELECT MyTable
>>TRY
>>  THIS.PARENT._grid1.SETFOCUS            && Add nActiveRow in setfocus
>>  IF THIS.PARENT._grid1.nActiveRow <> 0
>>	DELETE
>>	THIS.PARENT._grid1.REFRESH
>>  ENDIF
>>CATCH TO oException
>>ENDTRY
>>
>>
>>This does not produce an error, but on the other hand nothing happens, because the activerow is always zero.
>>
>>Why the grid has to have the focus in order to determine the activerow is quite beyond me, but that's another matter.
>>
>>It does make one wonder how the people who developed Excel, overcame this obstacle, and why this knowledge was not passed on to the VFP team.
>>
>>
>>TIA
Peter Pirker


Whosoever shall not fall by the sword or by famine, shall fall by pestilence, so why bother shaving?

(Woody Allen)
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