private void 移动联系人至ToolStripMenuItem_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
bool bSuccess = false;
UserBLL udb = new UserBLL();
string sItemID = string.Empty;
sItemID = chatListBox1.SelectSubItem.ID.ToString();
bSuccess = udb.ChangeGroup(e.ClickedItem.Tag.ToString(), sItemID);
if (bSuccess)
{
MessageBox.Show("移动分组成功！");
main_Load(sender, e);
}
else
{
MessageBox.Show("移动分组失败！");
}
}