public bool AddUserToGroup(string sUserName, string sGroupName)
{
//ActiveDirectory.AddUserToGroup(sUserName, sGroupName);
Conexion connDA = new Conexion(ConfigurationManager.AppSettings["dominio"].ToString(), ConfigurationManager.AppSettings["usuario_dominio"].ToString(), ConfigurationManager.AppSettings["pass_dominio"].ToString());
return connDA.AddUserToGroup(sUserName.Trim(), sGroupName);
}