//刷新用户组下拉框 ygc 2012-9-3
private void RefreshComBoxGroupUsers()
{
List <string> DistinctGroupUsers = LogTable.GetGroupUser();
ComBoxGroupUsers.Items.Clear();
foreach (string groupUser in DistinctGroupUsers)
{
ComBoxGroupUsers.Items.Add(groupUser);
}
if (ComBoxGroupUsers.Items.Count > 0)
{
ComBoxGroupUsers.SelectedIndex = 0;
}
}