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Cascading Drop Down : Selecting Value from Code Behind

I've been working with Cascading Drop Down's, which work great, but I would like to be able to select a value from the first drop down, have it populate and then select the other value from the second drop down. All from codebehind.

Anyone have any ideas on how to get this working?

Dirk Haest

C#.NET Articles -Cascading DropDownList Populate dropdown based on selection of other dropdown in ASP.NET
http://csharpdotnetfreak.blogspot.com/2009/03/populate-dropdown-based-selection-other.html

Espavo

I do it like this:

If Not Session("CountryID") Is Nothing Then mCountryDropDownList_CascadingDropDown.SelectedValue = Session("CountryID")
 
Here's my DDL
=============
 
                 <asp:DropDownList ID="mCountryDropDownList" runat="server" style="width: 155px" CssClass="Form">
                </asp:DropDownList>
                <cc2:CascadingDropDown ID="mCountryDropDownList_CascadingDropDown" 
                    runat="server" Category="Country" LoadingText="Fetching list... please wait..." 
                    PromptText="- Country -" ServiceMethod="GetCountry" 
                    ServicePath="~/AreaMainService.asmx"
                    Enabled="True" TargetControlID="mCountryDropDownList">
                </cc2:CascadingDropDown>

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directxBOB

ASKER

Where are you putting :

If Not Session("CountryID") Is Nothing Then
mCountryDropDownList_CascadingDropDown.SelectedValue = Session("CountryID")

I have put this in my PageLoad but it's not working.

ASKER CERTIFIED SOLUTION

Espavo

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