Sub Button1_Click
Dim checkedItems As List
checkedItems.Initialize
For i = 0 To clv2.GetSize - 1
Dim p As Panel = clv2.GetPanel(i)
Dim chk As CheckBox = p.GetView(2)
If chk.Checked Then
' Here instead of adding to list i wanted to get all values in one string
End If
Next
End Sub