or

<telerik:GridDropDownColumn DataSourceID="StateDataSource" Visible="false" HeaderText="State" ListTextField="StateName" ListValueField="StateID" UniqueName="StateTestDropDown" ColumnEditorID="StateTestDropDownEditor" > </telerik:GridDropDownColumn><telerik:GridTemplateColumn HeaderText="State" Visible="false"> <ItemTemplate> <%#DataBinder.Eval(Container.DataItem, "StateID")%> </ItemTemplate> <EditItemTemplate> <telerik:RadComboBox Width="100px" ID="StateClientContactDropDown" runat="server" SelectedValue='<%#Bind("StateID") %>' DataTextField="StateName" DataValueField="StateID" DataSourceID="StateDataSource"> </telerik:RadComboBox> </EditItemTemplate> </telerik:GridTemplateColumn>
<telerik:RadTreeView runat="server" ID="TreeViewUnit" CssClass="TreeView"
ShowLineImages="False" Skin="Forest"
OnDataBound="TreeViewUnit_DataBound"
OnNodeClick="TreeViewUnit_NodeClick"
meta:resourcekey="TreeViewUnitResource1">
item.Attributes["Item"] = "Unit";item.Attributes["Item"] = "Respondent";item.ImageUrl = imageFolder + "folder-icon.png";
node.ImageUrl = imageFolder + "profile_icon.png";.RadTreeView .rtImg {
background-image: url("/Styles/images/plusminus_icon.png") !important;
}
.RadTreeView_Forest .rtImg {
background-image: url("/Styles/images/profile_icon.png") !important;
}
.RadTreeView_Forest .rtPlus, .RadTreeView_Forest .rtMinus {
background-image: url("/Styles/images/plusminus_icon.png") !important;
}