Nested grid wont work in IE8

[JedF]

Hello

I have a nested grid that works in crome but refuses to in ie8 .
I click on the dropdown arrow and the event doesnt fired.
No errors are shown
Please help!!

<telerik:RadGrid ID="ResellerGrid" ShowStatusBar="true" runat="server" AutoGenerateColumns="False"
       AllowSorting="True" AllowMultiRowSelection="True" AllowPaging="True" GridLines="None"
       OnDetailTableDataBind="ResellerGrid_DetailTableDataBind" OnNeedDataSource="ResellerGrid_NeedDataSource" OnPreRender="ResellerGrid_OnPreRender">
       <MasterTableView DataKeyNames="ResellerPriceId,ProductId" ShowFooter="true" AllowMultiColumnSorting="True"
           HierarchyDefaultExpanded="False">
           <DetailTables>
               <telerik:GridTableView DataKeyNames="ProductId" Width="100%" runat="server">
                  <ParentTableRelation>
                       <telerik:GridRelationFields DetailKeyField="ResellerPriceId" MasterKeyField="ResellerPriceId" />
                   </ParentTableRelation>
                   <NoRecordsTemplate>
                       No data</NoRecordsTemplate>
                   <Columns>
                         <telerik:GridTemplateColumn UniqueName="ProductNameTemplateColumn" HeaderText="Product Name">
                           <ItemTemplate>
                               <asp:Label runat="server" ID="lblProductName" Text='<%#Eval("ProductName") %>'/>
                           </ItemTemplate>
                       </telerik:GridTemplateColumn>
                        <telerik:GridTemplateColumn UniqueName="chkScaledTemplateColumn" HeaderText="Is Scaled">
                           <ItemTemplate>
                               <asp:CheckBox runat="server" ID="chkScaled" OnCheckedChanged="chkScaled_OnCheckedChanged" Checked='<%#Eval("IsScaled") %>' AutoPostBack="true"/>
                           </ItemTemplate>
                       </telerik:GridTemplateColumn>
                       <telerik:GridTemplateColumn UniqueName="txtCostTemplateColumn" HeaderText="Cost Price">
                           <ItemTemplate>
                               <asp:TextBox runat="server" ID="txtCost" Text='<%#ToCurrency(Eval("CostPrice")) %>' />
                           </ItemTemplate>
                       </telerik:GridTemplateColumn>
                       <telerik:GridTemplateColumn UniqueName="txtMarkUpTemplateColumn" HeaderText="MarkUp">
                           <ItemTemplate>
                               <asp:TextBox runat="server" ID="txtMarkUp" Width="100px" OnTextChanged="txtMarkUp_OnLeave" Text='<%#Eval("MarkUp") %>' AutoPostBack="true" />%
                                <asp:RegularExpressionValidator ID="regMarkUp" ControlToValidate="txtMarkUp"
                      ErrorMessage="Incorrect Percentage" runat="server" ValidationExpression='<%$ Resources:ValidationPatterns, Decimal %>'>[Invalid]</asp:RegularExpressionValidator>
                           </ItemTemplate>
                       </telerik:GridTemplateColumn>
                       <telerik:GridTemplateColumn UniqueName="txtFinalCostTemplateColumn" HeaderText="Final Cost">
                           <ItemTemplate>
                               <asp:TextBox runat="server" ID="txtFinalCost" OnTextChanged="txtFinalCost_OnLeave" Text='<%#ToCurrency(Eval("FinalPrice")) %>' Align="Right" AutoPostBack="true"/>
                            <asp:RegularExpressionValidator ID="regFinalCost" ControlToValidate="txtFinalCost"
                      ErrorMessage="Incorrect Final Price" runat="server" ValidationExpression='<%$ Resources:ValidationPatterns,Decimal  %>'>[Invalid]</asp:RegularExpressionValidator>
                           </ItemTemplate>
                       </telerik:GridTemplateColumn>
                       <telerik:GridTemplateColumn UniqueName="chkScaledTemplateColumn" HeaderText="Is Available">
                           <ItemTemplate>
                               <asp:CheckBox runat="server" ID="chkAvail" OnCheckedChanged="chkAvail_OnCheckedChanged" Checked='<%#Eval("IsAvailable") %>' AutoPostBack="true"/>
                           </ItemTemplate>
                       </telerik:GridTemplateColumn>
                   </Columns>
               </telerik:GridTableView>
           </DetailTables>
           <Columns>
               <telerik:GridTemplateColumn UniqueName="ProductNameTemplateColumn" HeaderText="Product Name">
                           <ItemTemplate>
                               <asp:Label runat="server" ID="lblProductName" Text='<%#Eval("ProductName") %>'/>
                           </ItemTemplate>
                       </telerik:GridTemplateColumn>
               <telerik:GridTemplateColumn UniqueName="txtCostTemplateColumn" HeaderText="Cost Price">
                   <ItemTemplate>
                       <asp:TextBox runat="server" ID="txtCost" Text='<%#ToCurrency(Eval("CostPrice")) %>'/>
                   </ItemTemplate>
               </telerik:GridTemplateColumn>
               <telerik:GridTemplateColumn UniqueName="txtMarkUpTemplateColumn" HeaderText="MarkUp">
                   <ItemTemplate>
                       <asp:TextBox runat="server" ID="txtMarkUp" Width="100px" OnTextChanged="txtTypeMarkUp_OnTextChanged" Text='<%#Eval("MarkUp") %>' AutoPostBack="true"/>
                   <asp:RegularExpressionValidator ID="regMarkUp" ControlToValidate="txtMarkUp"
                      ErrorMessage="Incorrect Percentage" runat="server" ValidationExpression='<%$ Resources:ValidationPatterns, Decimal %>'>[Invalid]</asp:RegularExpressionValidator>
                   </ItemTemplate>
               </telerik:GridTemplateColumn>
               <telerik:GridTemplateColumn UniqueName="txtFinalCostTemplateColumn" HeaderText="Final Cost" >
                   <ItemTemplate>
                       <asp:TextBox runat="server" ID="txtFinalCost" OnTextChanged="txtTypeFinalCost_OnTextChanged" Text='<%#ToCurrency(Eval("FinalPrice")) %>' AutoPostBack="true"/>
                    <asp:RegularExpressionValidator ID="regFinalCost" ControlToValidate="txtFinalCost"
                      ErrorMessage="Incorrect Final Price" runat="server" ValidationExpression='<%$ Resources:ValidationPatterns, Decimal %>'>[Invalid]</asp:RegularExpressionValidator>
                   </ItemTemplate>
               </telerik:GridTemplateColumn>
           </Columns>
       </MasterTableView>
   </telerik:RadGrid>

[JedF]

In addition to the post above:

I can force the grid to expand from code behind

[Iana Tsolova]

Hi JedF,

Does it make any difference if you disable the validators in the template columns ItemTemplate? Also confirm that no javascript errors are thrown.

Greetings,
Iana
the Telerik team