call web services asynchronously from CLR stored procedure.

Question

CAN ANYBODY HELP ME..... How to call web services asynchronously from CLR stored procedure. and same time i want to access sql server database from that web service. ( some how i have done this with help of some related articles. but i am getting sql connection exception(cannot open database.login failed for user '/ASPNET') while connecting to the sql server from web services.i have created login user for