error control not defined

[Ronaldo Geniais]

unexpected error

I have an application that opens a form with several controls (buttons, grids, labels, etc.) in this form there is a button that opens another form, and sometimes randomly, an undefined control error occurs, as if the control was not more defined. I put additional code to test if the control is defined, and it passes normally, but when referencing the control, control not defined error occurs. But as I said, this happens randomly, someone can tell me what I'm wrong. I don't use FRM, I define the form inside the PRG directly.

example :

If _IsControlDefined ("Grid_ItensPC","FRM_PEDCOMPRA")

   WAIT WINDOW "Pesquisando itens do pedido..." nowait

   FRM_PEDCOMPRA.Grid_ItensPC.DisableUpdate

   DELETE ITEM ALL FROM Grid_ItensPC Of FRM_PEDCOMPRA    (ERROR GRID_ITENSPC NOT DEFINED)

[Auge & Ohr]

hi

you can write

   <Windowname>.<ControlName>.DisableUpdate()
Or
   Domethod(cWindowname,cControlName,'DisableUpdate')

but sometime i got same NOT DEFINED Error like you when using 1st. Syntax
it seem to work better with 2nd Syntax

   Domethod(cWindowname,cControlName,'DeleteAllItems')

Jimmy

p.s. are you using GRID with DBF or Array ?

[Appliserver]

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[In HMG] I experienced a similar problem. A main window on start called a procedure that in turn opened a variable number of other windows. If in one of these windows a control was defined that referred to the next control (in the program source), it failed, aka the subsequent control was not recognized. If the second control was placed before the offending control, it worked. In my case I had to change the program logic. I was not able to fix the problem: it seems that defining new windows from a procedure called on main window's init procedure does not work properly.

I don't know if the problem is related with yours, anyway: maybe there is a problem with DisableUpdate... HTH

Dan

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