public static string CreateQueryString(IEnumerable<KeyValuePair<string, string>> args)
{
if (!args.Any())
{
return string.Empty;
}
StringBuilder sb = new StringBuilder(args.Count() * 10);
foreach (var p in args)
{
sb.Append(EscapeUriDataStringRfc3986(p.Key));
sb.Append('=');
sb.Append(EscapeUriDataStringRfc3986(p.Value));
sb.Append('&');
}
sb.Length--; // remove trailing &
return sb.ToString();
}