i m not able to execute ado.net application with sql server database . i m getting error as login failed. i want to use sql server with my asp.net application.as i didnt install sql server in my p.c i dont know user name and pwd. plz help

i m very bad in c# programming can anyone tell me good websites or books to learn c# programming. plzzzzzzzzz its very urgenttt

i want develop login application which consists of name and pwd textboxes.with submit btn when i enter a name it should be checked with database table.i want to enter unique name and pwd for every user. and even they should be able to change their pwd can anyone tell me code for this using asp.net and vb.net

i want develop login application which consists of name and pwd textboxes.with submit btn when i enter a name it should be checked with database table.i want to enter unique name and pwd for every user. and even they should be able to change their pwd can anyone tell me code for this using asp.net and vb.net

i need some sample .net projects. plzzzzzz tell me some good websites.