public static string GetContainingFolder(string path)
{
if (!string.IsNullOrEmpty(path))
{
char[] trimChars = new char[] { '/' };
path = path.Trim(trimChars);
int length = path.LastIndexOf("/", StringComparison.Ordinal);
if (length != -1)
{
return path.Substring(0, length);
}
}
return null;
}