required validator problem in grid

[adam]

I have a requiredfieldvalidator for a raddropdownlist in a radgrid and it will not fire in editmode or insert.  The other requried validators in the grid are firing, but this one doesn't want to work.  What is the problem?  Here is the code-

 <telerik:GridTemplateColumn HeaderStyle-Width="200px" HeaderText="Fund" UniqueName="fund_id_fk"
                            DataField="fund_id_fk">
                            <ItemTemplate>
                                <asp:Label runat="server" ID="lblFund" Width="200px" Text='<%# Eval("unit_ep_funds.fund_name") %>'></asp:Label>
                            </ItemTemplate>
                            <EditItemTemplate>
                                <telerik:RadDropDownList runat="server" ID="FundIDDropDown" DataValueField="fund_id"
                                    SelectedValue='<%# Bind("fund_id_fk") %>' DataTextField="fund_name" DataSourceID="EntityDataFunds"
                                    AppendDataBoundItems="true">
                                    <Items>
                                        <telerik:DropDownListItem Text="Select a fund" Value="-1" />
                                    </Items>
                                </telerik:RadDropDownList>
                                <asp:RequiredFieldValidator InitialValue="-1" ID="RequiredFieldValidator11" ControlToValidate="FundIDDropDown"
                                    ErrorMessage="**Required" runat="server">
                                </asp:RequiredFieldValidator>
                            </EditItemTemplate>
                        </telerik:GridTemplateColumn>

[adam]

The asp.net dropdownlist with validator DOES WORK.  So why is raddropdownlist with validator not firing like it should?

 <telerik:GridTemplateColumn HeaderStyle-Width="200px" HeaderText="Fund" UniqueName="fund_id_fk"
                            DataField="fund_id_fk">
                            <ItemTemplate>
                                <asp:Label runat="server" ID="lblFund" Width="200px" Text='<%# Eval("unit_ep_funds.fund_name") %>'></asp:Label>
                            </ItemTemplate>
                            <EditItemTemplate>
                                <asp:DropDownList runat="server" ID="FundIDDropDown2" DataValueField="fund_id" DataTextField="fund_name"
                                    DataSourceID="EntityDataFunds" AppendDataBoundItems="true">
                                    <asp:ListItem Text="Select a fund" Value="-1"></asp:ListItem>
                                </asp:DropDownList>
                                <asp:RequiredFieldValidator InitialValue="-1" ID="RequiredFieldValidator11" ControlToValidate="FundIDDropDown2"
                                    ErrorMessage="**Required" runat="server">
                                </asp:RequiredFieldValidator>
                            </EditItemTemplate>
                        </telerik:GridTemplateColumn>

[A2H]

Hi Adam,

Please remove the “ InitialValue”  property from RequiredFieldValidator

Please use the modified code

<telerik:GridTemplateColumn HeaderStyle-Width="200px" HeaderText="Fund" UniqueName="fund_id_fk"
                            DataField="fund_id_fk">
                            <ItemTemplate>
                                <asp:Label runat="server" ID="lblFund" Width="200px" Text='<%# Eval("unit_ep_funds.fund_name") %>'></asp:Label>
                            </ItemTemplate>
                            <EditItemTemplate>
                                <telerik:RadDropDownList runat="server" ID="FundIDDropDown" DataValueField="fund_id"
                                    SelectedValue='<%# Bind("fund_id_fk") %>' DataTextField="fund_name" DataSourceID="EntityDataFunds"
                                    AppendDataBoundItems="true">
                                    <Items>
                                        <telerik:DropDownListItem Text="Select a fund" Value="-1" />
                                    </Items>
                                </telerik:RadDropDownList>
                                <asp:RequiredFieldValidator  ID="RequiredFieldValidator11" ControlToValidate="FundIDDropDown"
                                    ErrorMessage="**Required" runat="server">
                                </asp:RequiredFieldValidator>
                            </EditItemTemplate>
                        </telerik:GridTemplateColumn>

Thanks,
A2h

[adam]

Hi A2H,

Unfortunately, that didn't work either. This might need to be submitted as bug.

Due to time constraints, I'm going to use the asp.net dropdownlist w/ validator for this scenario. 

Thanks,
Adam 

[Princy]

Hi Adam,

You can try setting the DefaultMessage of the RadDropDownList,rather than adding the DropDownListItem.Please try the following code snippet.

ASPX:

<telerik:GridTemplateColumn HeaderText="ShipCity" UniqueName="ShipCity" DataField="ShipCity">
    <ItemTemplate>
        <asp:Label runat="server" ID="lblShipCity"  Text='<%# Eval("ShipCity") %>'></asp:Label>
    </ItemTemplate>
    <EditItemTemplate>
        <telerik:RadDropDownList runat="server" ID="DropDown1" DataValueField="ShipCity"
            CausesValidation="true" DefaultMessage="Select a ShipCity" SelectedValue='<%# Bind("ShipCity") %>'
            DataTextField="ShipCity" DataSourceID="SqlDataSource2" >
        </telerik:RadDropDownList>
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" ControlToValidate="DropDown1"
            ErrorMessage="**Required" runat="server">
        </asp:RequiredFieldValidator>
    </EditItemTemplate>
</telerik:GridTemplateColumn>

Thanks,
Princy