Hi,

 Here is the code which we are using to bind. Also can you tell us how do i apply the hotfix patch.

    <ISWebCombo:WebCombo ID="AssociatesCombo" AllowAutoDataCaching="true" AllowAutoQueryHandler="false" runat="server" DataTextField="UserName" DataValueField="GuestId" 

                                Height="20px" UseDefaultStyle="True" Width="150px"  AdditionalSearchFields="FirstName,LastName,City,DepartmentName"

                                    OnInitializeDataSource="AssociatesCombo_InitializeDataSource" ToolTip='<%$Resources: UIResource, AssociateToolTip%>'>

                                    <Columns>

                                        <ISWebCombo:WebComboColumn BaseFieldName="UserName" HeaderText="Name" Name="Name" Width="200px" />

                                         <ISWebCombo:WebComboColumn BaseFieldName="City" Name="City" Width="150px" />

                                    </Columns>

                                    <LayoutSettings  AdjustResultBoxLeft="-115" AlwaysShowHelpButton="false" ComboMode="MultipleColumns" ResultBoxWindowType="Normal" TextSettings-NoResultsText="The associate cannot be found in the corporate directory.">

                                    <ClientSideEvents OnAfterItemSelected="setContactId()" OnShowDropDown="WebCombo1_OnShowDropDown" />

                                    </LayoutSettings>

                                </ISWebCombo:WebCombo>