private string GetRandomString(int len)
{
string alpha = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
StringBuilder b = new StringBuilder(len);
for (int i = 0; i < b.Capacity; i++)
{
b.Append(alpha[SafeRandom.GetNext(0, alpha.Length)]);
}
return(b.ToString());
}
