Dim idx As Integer = DirectCast(pnl.Controls("comboSearch"), ComboBox).Items.IndexOf(tb.SearchWords)
If idx > -1 Then DirectCast(pnl.Controls("comboSearch"), ComboBox).Items.RemoveAt(idx)
DirectCast(pnl.Controls("comboSearch"), ComboBox).Items.Insert(0, tb.SearchWords)
+ cmb.Text = tb.SearchWords
+ cmb.SelectAll()
Dim lst As DetailsListView = DirectCast(pnl.Parent.Tag, DetailsListView)
lst.VirtualListSize = 0
lst.Items.Clear()