Thanks to you all for input, we tried Araldite lasted about a fortnight, the Evo Stick looks like it may be worth a try, The mirror stickers are not an option, there is not enough clearance between attachment and the glass.
My local Nissan workshop manager said they use the red sump sealant it worked fine on a Micra but not on anything bigger, seems to only be a problem on electric windows though.
I appreciate the point about fitting OE parts but it seems so wasteful to fit a complete window at over £150.00 for want of a glue that actually does what it says on the tin !