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on ItemsRequested is not working in Combo box

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ComboBox
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Rakesh
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Rakesh asked on 31 Oct 2008, 01:38 PM
Hi,
when i click on rad combo box it is not working meand it is not fill data in Combo box  it give the error: "RadComboBox:Server error in the itemRequested event handler" . I am using Asp.net 3.5 with Linq to sql .

Code Below:

<rad:RadComboBox Width="300px" Height="80px" ID="RadComboBox1" runat="server"
                                HighlightTemplatedItems="True" DataTextField="Title" TabIndex="1" ItemRequestTimeout="2" EnableLoadOnDemand="true"
                                DataValueField="ServiceRequermentID" MarkFirstMatch="True" ExpandEffect="Blinds" OnItemsRequested="RadComboBox1_ItemsRequested"
                                SkinsPath="~/RadControls/ComboBox/Skins" LoadingMessage="Your ServiceRequerment is Loading..."
                                AccessKey="T" AllowCustomText="True" AutoCompleteSeparator="&quot;;&quot;, &quot;,&quot;, "
                                ErrorMessage="ServiceRequerment are not Avilable" NoWrap="True" ShowMoreResultsBox="True">
                                <ItemTemplate>
                                    <table>
                                        <tr>
                                           
                                            <td>
                                                <asp:Label ID="lbl" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "Title")%>'></asp:Label>
                                            </td>
                                        </tr>
                                    </table>
                                </ItemTemplate>
                            </rad:RadComboBox>



protected void RadComboBox1_SelectedIndexChanged(object o, Telerik.WebControls.RadComboBoxSelectedIndexChangedEventArgs e)
    {
        if (RadComboBox1.SelectedItem != null)
            RadComboBox1.Text = RadComboBox1.SelectedItem.Text;
           
    }
    protected void RadComboBox1_ItemsRequested(object o, Telerik.WebControls.RadComboBoxItemsRequestedEventArgs e)
    {
        //string match=RadComboBox1.Text.ToString();

        fillRadcombobox();
    }
    public void fillRadcombobox()
    {
       
        Guid UserRequermentID =getdate.GetUserRequermentID();
        var ServiceRequerment = from service in db.ServiceRequerments where service.UserRequermentID == UserRequermentID select service;
        var servicedata = ServiceRequerment.ToList();
        if (servicedata.Count > 0)
        {
            RadComboBox1.DataSource = servicedata;
            RadComboBox1.DataBind();
        }
    }


Plz its Urgent
Rakesh Gupta

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Rosi
Telerik team
answered on 03 Nov 2008, 11:47 AM
Hello Rakesh,

This error means that your code in the ItemsRequested event throws an exception.

I suggest you test this code outside the ItemsRequested event and see what the problem is.

Regards,
Rosi
the Telerik team

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