+++1
On 30/11/2013 14:06, Laurie Alvey wrote:
That is what we did before VFP and buffering. I wouldn't have thought it
necessary these days.
________________________________
From: Gene Wirchenko <[email protected]>
To: ProFox Email List <[email protected]>
Sent: Friday, 29 November 2013, 19:53
Subject: Grid: Row-Level Validation: Solved?
Dear Vixens and Reynards:
I have row-level grid validation that works (so far). I will be doing
some further testing to try to break it, but I think might finally have my main
problem solved.
It is kludgy and will have to be reworked to remove explicit object
references.
I have to check that the underlying table is updated properly, and I am
going to clean up my proof-of-concept code so that it is usable. After that, I
will probably post it.
My approach is to shadow the values for a row.
Grid Level
----------
Declare an array of shadows.
When the grid is being set up, size the shadow array appropriately.
In AfterRowColChange, fill the array from the *data source*.
In BeforeRowColChange, validate using the shadow values not the control
values.
Input Control Level
-------------------
After validating a value, copy it to the appropriate shadow.
Sincerely,
Gene Wirchenko
[excessive quoting removed by server]
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