Production account value

[venus-61]

i have created a live business account. when i was in developer, and checked sandbox accounts, there are two sandbox account, one business and on personal. i want check if my c# code for paypal payment works, then i used the following code: Response.Redirect("https://www.sandbox.paypal.com/cgi-bin/websrc?cmd=_xclick&business=my sandbox account&currency_code=SEK&amount=" + n + "&return=http://localhost:44302/PutAd.aspx"); when i run, it appears paypal payment page, but when my friend try to pay, i recieve error: Some of the information you entered is incorrect. Try again ??!! i tried with: Response.Redirect("https://www.paypal.com/cgi-bin/websrc?cmd=_xclick&ClientId="my live client id"&currency_code=SEK&amount=" + n + "&return=http://localhost:44302/PutAd.aspx"); but it doesnt work. it doesnt open paypal payment page. the error is: We're sorry, but it doesn't seem to be working right now. Try again later. i must change the business value to my production account value. but how? how can i get my production account value? please guide me. i appreciate if you correct my code above (in form of code, not description) and send it to me. very kind regards