radcombobox in radgrid ItemsRequested not firing

[Muthukrishnan]

I followed the example in "RadComboBox in RadGrid", the ItemsRequested event is not firing. attached the code. Please help me, is there any mistake in the code.  
Thanks,

<telerik:RadGrid ID="RadGrid2" GridLines="None" AutoGenerateColumns="false" PageSize="7" AllowPaging="true" AllowSorting="true"
                runat="server" OnItemDataBound="OnItemDataBoundHandler" DataSourceID="ProductsDataSource" AllowAutomaticUpdates="true"
                AllowAutomaticInserts="True" ShowStatusBar="true" Skin="Office2010Blue">
                <MasterTableView ShowFooter="false" DataKeyNames="inventoryid" EditMode="InPlace" CommandItemDisplay="TopAndBottom">
                <Columns>


                    <telerik:GridTemplateColumn UniqueName="conditioncode" HeaderText="<%$ Resources:locStrings, GV_COL_PO_ConditionCode %>" SortExpression="conditioncode" ItemStyle-Width="150px">
                    <FooterTemplate> Template footer</FooterTemplate>
                    <FooterStyle VerticalAlign="Middle" HorizontalAlign="Center" />
                    <ItemTemplate>
                        <%#DataBinder.Eval(Container.DataItem, "conditioncode")%>
                    </ItemTemplate>
                    <EditItemTemplate>
                        <telerik:RadComboBox runat="server" ID="RadComboBox1" EnableLoadOnDemand="True" DataTextField="code" DataValueField="conditionid"
                                AutoPostBack="true" HighlightTemplatedItems="true" Height="140px" Width="150px" DropDownWidth="200px"
                                OnItemsRequested="RadComboBox1_ItemsRequested"
                                OnSelectedIndexChanged="OnSelectedIndexChangedHandler" >
                                <HeaderTemplate>
                                    <ul>
                                    <li class="col1">Code</li>
                                    <li class="col2">Condition</li>
                                    </ul>
                                </HeaderTemplate>
                                <ItemTemplate>
                                    <ul>
                                    <li class="col1">
                                        <%# DataBinder.Eval(Container,"Text")%>
                                    </li>
                                    <li class="col2">
                                        <%# DataBinder.Eval(Container,"Attributes['code']")%></li>
                                    </ul>
                                </ItemTemplate>
                        </telerik:RadComboBox>
                    </EditItemTemplate>
                    </telerik:GridTemplateColumn>


                    <telerik:GridEditCommandColumn FooterText="EditCommand footer" UniqueName="EditCommandColumn" HeaderText="Edit" UpdateText="Update"
                                                    HeaderStyle-Width="100px">
                    </telerik:GridEditCommandColumn>

                </Columns>
                </MasterTableView>
            </telerik:RadGrid>

            <asp:SqlDataSource ID="ProductsDataSource" runat="server" ConnectionString="Data Source=VSSCLOUDAPP1;Initial Catalog=iqrtest_20113108;User ID=sa; Password=admin!23"
                SelectCommand="SELECT ptid, inventoryid, unitcost, conditioncode, status, receivestatus, mfgr
                                FROM inventory WHERE ptid=501">

            </asp:SqlDataSource>

C#:

protected void OnItemDataBoundHandler(object sender, GridItemEventArgs e)
        {
            if (e.Item.IsInEditMode)
            {
                GridEditableItem item = (GridEditableItem)e.Item;
                if (!(e.Item is IGridInsertItem))
                {
                    RadComboBox combo = (RadComboBox)item.FindControl("RadComboBox1");
                    RadComboBoxItem selectedItem = new RadComboBoxItem();
                    selectedItem.Value = ((DataRowView)e.Item.DataItem)["conditionid"].ToString();
                    selectedItem.Text = ((DataRowView)e.Item.DataItem)["code"].ToString();
                    selectedItem.Attributes.Add("condition", ((DataRowView)e.Item.DataItem)["condition"].ToString());
                    combo.Items.Add(selectedItem);
                    selectedItem.DataBind();
                    Session["conditionid"] = selectedItem.Value;
                }
            }
        }

        protected void RadComboBox1_ItemsRequested(object sender, RadComboBoxItemsRequestedEventArgs e)
        {

            DataTable dt = new DataTable();
            dt = IQR.Generic.cGeneric.GetData(cStoredProcedureConstants.SP_POItem_GetConditionCodes, true);

            RadComboBox rcbConditionCode = (RadComboBox)sender;    // Clear the default Item that has been re-created from ViewState at this point.    comboBox.Items.Clear();
            foreach (DataRow row in dt.Rows)
            {
                RadComboBoxItem item = new RadComboBoxItem();
                item.Value = row["conditionid"].ToString();
                item.Text = row["code"].ToString();
                item.Attributes.Add("condition", row["condition"].ToString());
                rcbConditionCode.Items.Add(item);
                item.DataBind();
            }

        }

        protected void OnSelectedIndexChangedHandler(object sender, RadComboBoxSelectedIndexChangedEventArgs e)
        {
            Session["conditionid"] = e.Value;
        }

Muthu

[Dang]

This may be the same problem for me :(

[Elliott]

check this out
could it be your problem?
http://www.telerik.com/community/forums/aspnet-ajax/combobox/onitemsrequested-not-firing.aspx