When using combobox with RenderMode="Lightweight" and DropDownAutoWidth="Enabled" it renders two vertical scrollbars.
E.g. see attached image for the code below (data source is Dictionary<string,string>)
E.g. see attached image for the code below (data source is Dictionary<string,string>)
<telerik:RadComboBox ID="rcbCountry" runat="server" AppendDataBoundItems="true" DataSourceID="CountriesDataSource" DataTextField="Value" DataValueField="Key" Width="100px" DropDownAutoWidth="Enabled" RenderMode="Lightweight"> <Items> <telerik:RadComboBoxItem Text="All" /> </Items></telerik:RadComboBox>