no responding, when i use rlock function

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Hello

I am using VFP9.0 SP1 to develop the application
I create a "Add New" button to call another form and insert data to table

but when i click it, the screen will no responding , how can i fix it?

PS. i try to use VFP6 to complie and run it, i found that this is no
problem.

"Add New" button source code

SELECT("CLIENT")
APPEND BLANK
IF RLOCK()
REPLACE code WITH "0001"
ENDIF



Teddy


.



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