Devexpress: datasource binded ASPxComboBox fail to set selected on page load

                <dx:ASPxComboBox  ValueField="Id" TextField="Ethinicity" DataSourceID="ethincitydatasource"  SelectedIndex="0" runat="server" ID="cmbEthinicity" Width="250px" Height="32px" CssClass="textbox-style-account" ValueType="System.Int32">

                                    <DropDownButton>

                                        <Image Url="images/down.png"></Image>

                                    </DropDownButton>

                                    <ValidationSettings ValidationGroup="SaveCompanyInfo" Display="Static" ErrorDisplayMode="Text" ErrorTextPosition="Bottom" EnableCustomValidation="True" CausesValidation="True">

                                        <RequiredField IsRequired="True" ErrorText="Select Ethinicity" />

                                    </ValidationSettings>

                                </dx:ASPxComboBox>

                                <data: EthinicityMasterDataSource runat="server" ID="ethincitydatasource" SelectMethod="GetAll"></data: EthinicityMasterDataSource>

Code on cs

protected void Page_Load(object sender, EventArgs e)

    {if (!IsPostBack)

            {

                     cmbEthinicity.DataBind();

                     cmbEthinicity.Value = Convert.ToInt32(objPpiClient.EthinicityId);

}

}

Key solution: cmbEthinicity.DataBind();

bind again before setting selected index.

                         

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