在c＃语法中，将数据添加到sql server中的多个表中

I have 2 tables in my database and I need to save the data to both tables in one method. I am getting an code unreachable error when I execute the following method. I need someone to tell me how to add this statement as a single insert statement. By the way PC_QA_REPORT_1 has a primary key and PC_QA_REPORT_2 has a foreign key to it, with Project_ID being a common column in both tables for this purpose.I have 2 tables in my database and I need to sa