paypal integration

 
i integrated paypal in my site...am taking item name,desc,currency to the paypal successfully...i want to display the currency in paypal with pound symbol...but the amount is showing with dollar symbol...
 


i wrote code for that like this
 


string redirect = "";
redirect += "https://www.paypal.com/cgi-bin/webscr?cmd=_xclick&business=" + "ronniesilva@ashfields.uk.com";
//redirect += "https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_xclick&business=" + "samandev4@gmail.com";
redirect += "&item_name=" + PName;
redirect += "&amount=" + String.Format("{0:0.00} ", 1);
redirect += "&item_number=" + OrderNo;
//redirect += "&quantity=" + 2;
redirect += "&currencyID=GBP";
//redirect += "&return=http://www.dtashipping.com/Invoice.aspx?OrderNum=" + OrderNo;
// redirect += "&a ...