Migrate from Oracle trigger to MSSQL trigger

Hi I am new to MSSQL server. I have problem in migration from ORACLE trigger to MSSQL server. Here below the trigger in Oracle..<<--------Trigger Begin----------->>create or replaceTRIGGER transactiontrigger After INSERT ON ORDERINVOICEFOR EACH ROWBEGINupdate A_ACCOUNTset A_ACCOUNT.AC_RUNNING_BLC=(A_ACCOUNT.AC_RUNNING_BLC-:new.NETAMMOUNT+:new.COMMISION-:new.TDS)where A_ACCOUNT.A_ID=:new.A_ID;END;<<---------Trigger END-------->>Could you some one help me to transform the trigger in MSSQL compatible.Nilotpalhazarika