Custom Property value through Assembly BOM

Hi,

I have a BOM table inserted in the assembly file (Not drawing). I have a coulmn for description

When I doble click the cell and enter new value. It wont showup in the part file.

What could be the reason. I have ensured that the files are not readonly.

If it was sucessful, the right click on the BOM cell should not have "restore original value" option. But in my case I see that it has that option.

Any one has a solution.

Thanks

SolidworksParts And Features