I figured this out.

In VFP case expression it works this way:

IF OneCondition IS TRUE
    do the code here

and don't process other case statements.

I completely forgot and this took a lot of my time before I finally understood it.



>>This is exactly my point - I am trying to trace in the Debugger. As soon as I hit this line
>>

>>case b_sched.pref_lvl11 = 3  && true
>>	   =MESSAGEBOX(b_sched.base_id)
>>	   =MESSAGEBOX( seek(b_sched.base_id, 'csrTemp1', 'base_id'))
>>	    
>>	    if not seek(b_sched.base_id, 'csrTemp1', 'base_id')
>>			lcReqOK = 'Booking requiring specific instructor base would be violated'
>>        endif
>>

>>the cursor immediately goes to the endcase line. Why it doesn't even attempt to get me my messageboxes I added out of the desperation?
>>
>>I don't think the coverage will provide any more insights here. I even started to wonder if I understand how case works in VFP. I have a condition which is true. Why no code inside the case statement is executed?
>
>Have you set watches or otherwise 1,000% confirmed all variables have the values you expect?
>
>You could try adding an OTHERWISE clause to see if it gets hit, maybe what you think is .T. is not.