private async void RefreshMessages()
{
GroupDiscussionLog.Items.Clear();
theStudyGroup.GroupDiscussionBoard.History = await dbm.GetMessages(dbm.SGKEY(theStudyGroup.StudyGroupName, theStudyGroup.CourseName, theStudyGroup.CourseSemester, theStudyGroup.Year));
foreach (String message in theStudyGroup.GroupDiscussionBoard.GetListOfMessages())
{
GroupDiscussionLog.Items.Add(message);
}
}