public static bool IsTrialNumber(string key)
{
if (StringType.StrCmp(key, "", false) == 0)
{
return true;
}
if (key.Length != 8)
{
return true;
}
if (StringType.StrCmp(key.Substring(3, 2), "21", false) == 0)
{
return false;
}
else
{
return true;
}
}
{
if (StringType.StrCmp(key, "", false) == 0)
{
return true;
}
if (key.Length != 8)
{
return true;
}
if (StringType.StrCmp(key.Substring(3, 2), "21", false) == 0)
{
return false;
}
else
{
return true;
}
}
Potpis
Derive From Anything