The API itp.ValidateListModelsSessionId allows custom ASP.NET web pages to verify:
void ValidateListModelsSessionId (String sessionid)
Parameters:
sessionid specifies the session ID that should be validated.If the passed session ID is invalid, the API itp.ValidateListModelsSessionId throws an exception. The session ID will also be considered invalid if it corresponds to a session that has not been prepared for listmodels functionality.