Can anyone give a code sample or pointer on how to achieve it? Thank you very much in advance.
Here is the ASPX code :
<telerik:TreeListTemplateColumn DataField="PricingTypeName" UniqueName="PricingTypeName" HeaderText="PricingType" >
<ItemTemplate>
<%# Eval("PricingTypeName")%>
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="combobox1" runat="server">
</asp:DropDownList>
</EditItemTemplate>
</telerik:TreeListTemplateColumn>
<telerik:TreeListTemplateColumn DataField="PurchaseUnitofMeasureName" UniqueName="PurchaseUnitofMeasureName" HeaderText="PurchaseUnitofMeasure" >
<ItemTemplate>
<%# Eval("PurchaseUnitofMeasureName")%>
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="combobox2" runat="server">
</asp:DropDownList>
</EditItemTemplate>
</telerik:TreeListTemplateColumn>