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Error while selecting a combo item in a webpart

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ComboBox

This is a migrated thread and some comments may be shown as answers.

Hemangajit asked on 08 Aug 2008, 05:55 PM

Hi,
          I am using the rad Combo box in a MOSS 2007 webpart. To increase the performence of the page, I set the EnableEmbeddedScripts property to false and referenced the scripts using ScriptReference in the ScriptManager. However I am getting a javascript error when I select a item of the combox. The error says:
Sys.ArgumentTypeException: Object of type 'Telerik.Web.Animation.DiscreteAnimation' cannot be converted to type '' Parameter name instance

The combo definition is as follows:

<telerik:RadComboBox ID="radComboSSNEINCode" EnableEmbeddedScripts="false" HighlightTemplatedItems="true" runat="server" AllowCustomText="true" MarkFirstMatch="true" MaxLength="1" DataTextField="Code" DataValueField="Name">
                                            <CollapseAnimation Duration="200" Type="OutQuint" />
                                            <ExpandAnimation Duration="200" />
                                            <ItemTemplate>
                                                <%#DataBinder.Eval(Container,"Value")%>
                                            </ItemTemplate>
                                        </telerik:RadComboBox>

The script references are added as follows:

        protected override void OnInit(EventArgs e)
        {
            if (ScriptManager.GetCurrent(this.Page) == null)
            {
                ScriptManager rsm = new ScriptManager();
                rsm.ID = "ScriptManager1";

                rsm.Scripts.Add(new ScriptReference("~/_layouts/WebPIE/Scripts/Core.js"));
                rsm.Scripts.Add(new ScriptReference("~/_layouts/WebPIE/Scripts/AnimationScripts.js"));
                rsm.Scripts.Add(new ScriptReference("~/_layouts/WebPIE/Scripts/NavigationScripts.js"));
                rsm.Scripts.Add(new ScriptReference("~/_layouts/WebPIE/Scripts/RadComboBoxScripts.js"));
                this.Page.Form.Controls.Add(rsm);
            }
            base.OnInit(e);
        }

Please let me know if am missing some javascripts. These are the scripts defined in the documentation.

Error while selecting a combo item in a webpart

3 Answers, 1 is accepted