asp.net连接本机SQL数据库文件，将服务器名改成（local） con = new SqlConnection("Data Source=(local) DataBase=db_SIS User ID=sa PWD=") -asp.net connection native SQL database files, the server name change (local) con = new SqlConnection (" Data Source = (local)　DataBase = db_SIS　User ID = sa　PWD =" )