compiler error CS1525

While compiling DEVICE EXE in OPTIMIZED COMPILATION it shows a error massage
error CS1525: Invalid expression term ')'

It is in sub addOrder(txtItem.text,txtRate.text)

it is used in a SQL database to add a record in a table

While compiling DEVICE EXE it shows a error massage
Object reference not set to an instance of an object

As you do not appear to be a registered user of Basic4ppc (no stars by your name) how are you compiling as the official trial program does not have this ability.