Hi!

I usually use the GetFldState() function to check if some field is changed by user. OldVal() is used only for updating process if you want to see what values are changed by other users the values if tableupdate(.F.,...) failed (by comparing NewVal() with OldVal()).

HTH.

>I have started a new form using my base form class which I have used for over 50 forms.
>
>The Base form class uses data buffering. It contains a "Changed" method which is called from the valid event of the textbox. It compares this.ActiveControl.Value against oldval(this.ActiveControl.DataSource) to see if there was a change. If there was a revert toolbar button is enabled.
>
>This works on the other, older forms - not the new one.
>
>oldval(this.ActiveControl.DataSource) returns the NewValue as if the change were already committed.
>
>BaseForm BufferMode is optimistic. I have tried BufferModeOverRide for the cursor of 1,3 & 5. All fail to catch the change.
>
>MultiLocks is set on.
>
>I have checked all these settings from the Valid Event of the textbox before Changed().
>
>I have run into this before and cannot for the life of me remember what the problem is. What am I missing?