[Solved] RadCombo not functioning properly

[Pinkey]

 

 

<telerik:GridTemplateColumn HeaderText="Product" UniqueName="ProductInfo" ItemStyle-VerticalAlign="Middle" ItemStyle-HorizontalAlign="Left">
                                        <ItemTemplate>
                                            <asp:Label ID="Label2" runat="server" Text='<%# Eval("Prod_Name")%>'></asp:Label>
                                            <asp:HiddenField ID="hidTreat_ID" runat="server" Value='<%# eval("ID")%>' />
                                            <asp:HiddenField ID="hidSeq" runat="server" Value='<%# bind("Seq")%>' />
                                        </ItemTemplate>
                                        <EditItemTemplate>
                                            <asp:Panel ID="pnlTreat_TN" runat="server">
                                                <table cellpadding="0" cellspacing="0" border="0">
                                                    <tr>
                                                        <td style="padding: 0px">
                                                            <telerik:RadComboBox ID="ComboBox_CompProdTN" runat="server" AutoPostBack="True"
                                                                EnableLoadOnDemand="True" Height="120px" ShowMoreResultsBox="true" Skin="Web20"
                                                                Width="200" OnSelectedIndexChanged="ComboBox_CompProdTN_SelectedIndexChanged"
                                                                EnableVirtualScrolling="true" EmptyMessage="Select a Product"
                                                                OnItemsRequested="ComboBox_ItemsRequested"  ValidationGroup="SelectProduct"
                                                                ShowDropDownOnTextboxClick="False">
                                                            </telerik:RadComboBox>
                                                            <asp:RequiredFieldValidator ID="rfvProduct" runat="server" ErrorMessage="&larr; Select Product!"
                                                                ControlToValidate="ComboBox_CompProdTN" Display="Dynamic" SetFocusOnError="True"
                                                                Font-Bold="True" Font-Names="Arial" ValidationGroup="SelectProduct"></asp:RequiredFieldValidator>
                                                        </td>
                                                        <td align="left" >
                                                        <asp:Label ID="lblError" runat="server" ForeColor="Red" Visible="false"  ></asp:Label>
                                                        </td>


                                                        <td align="center" valign="middle">
                                                        &nbsp;
                                                            <asp:ImageButton ID="imgbtnAdvSearch" runat="server" ImageUrl="~/images/buttons/findIcon2.gif"
                                                                Style="padding: 1px 0px 0px 0px;" ToolTip="Advanced Search" CommandName="FindAI"
                                                                Visible="false"  Height="23px" OnClick="imgbtnAdvSearch_Click" ImageAlign="Middle"
                                                                Width="22px" />
                                                                                                                   </td>
                                                        <td align="center" valign="middle">
                                                        &nbsp;
                                                            <asp:ImageButton ID="imgbtnAddNewCompProd" runat="server" ImageUrl="~/images/buttons/AddProd.png"
                                                                Style="padding: 1px 0px 0px 0px;" ToolTip="Add New Comparative Product" CommandName="AddCompProd"
                                                                Visible="false"  OnClick="imgbtnAddNewCompProd_Click" Height="23px" ImageAlign="Middle" />
                                                                                                                    </td >
                                                                                                          </tr>
                                                </table>
                                                <asp:HiddenField ID="hidTreat_ID" runat="server" Value='<%# bind("ID")%>' />
                                                <asp:HiddenField ID="hidSeq" runat="server" Value='<%# bind("Seq")%>' />
                                                <asp:HiddenField ID="hidProdTN_ID" runat="server" Value='<%# bind("Prod_ID")%>' />
                                                <asp:HiddenField ID="hidRecType" runat="server" Value='<%# bind("Type")%>' />
                                            </asp:Panel>
                                            <asp:Label ID="lblSpecialType" runat="server" Text="" Visible="false" ForeColor="#663300"></asp:Label>
                                        </EditItemTemplate>
                                        <ItemStyle HorizontalAlign="Left" VerticalAlign="Middle"  />
                                    </telerik:GridTemplateColumn>

 

Please help me out with the solution.
Thanks
Pinkey