to disable the option

I have been customising the Purchase invoice Page in Nav 2013 Beta and i have to fixe the “type” field of the “purchase invoice line” to “Item” only. i.e i dont want any other option to be chosen. can i do this ?

I think you are talking about table 39 - Purchase Line not Purchase Inv. Line as we dont manually insert data in Purchase Inv. Line table?

sorry i mean to say purchase line

I suggest you to speak to customer again not to modify base functionality…

give them the proper training to use only Item…