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WebDropDown SelectedItemIndex doesn't reset when clear the search field
posted

Hello,

I am using editable WebDropDown and Infragistics Web version 11.1.
When user select data from List and submit, I can get value from "CurrentValue" and index from "SelectedItemIndex" properties during postback in button OnClick event. 
But if user delete value with "Delete" keybord button and click button, "CurrentValue" and "SelectedItemIndex" properties keep previous value during OnClick event.

Aspx file :
/***************************************************************/
<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true"
    CodeBehind="Default.aspx.cs" Inherits="TestWebCombo11_1._Default" %>
<%@ Register Assembly="Infragistics35.Web.v11.1, Version=11.1.20111.2064, Culture=neutral, PublicKeyToken=aaaaaaaaaaaaaaaaa"
    Namespace="Infragistics.Web.UI.ListControls" TagPrefix="iglc" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <iglc:WebDropDown ID="wddTablePays" runat="server" SkinID="WebDropDownStandard" EnableTheming="true"
        Width="220px" DropDownOrientation="BottomRight" EnableDropDownAsChild="false"
        DropDownAnimationDuration="1000" DropDownContainerWidth="325px" DropDownContainerHeight="130px"
        EnableCustomValues="false" EnableCaseSensitivity="false" EnableCustomValueSelection="false"
        AutoPostBack="false" ValueField="CodeIso" TextField="Libelle">
        <Items>
        </Items>
        <HeaderTemplate>
            <table>
                <tr>
                    <th>
                        Code
                    </th>
                    <th>
                        Pays
                    </th>
                </tr>
            </table>
        </HeaderTemplate>
        <ItemTemplate>
            <table>
                <tr>
                    <td>
                        <%# DataBinder.Eval(Container.DataItem, "CodeIso")%>
                    </td>
                    <td>
                        <%# DataBinder.Eval(Container.DataItem, "Libelle")%>
                    </td>
                </tr>
            </table>
        </ItemTemplate>
    </iglc:WebDropDown>
    <asp:Button ID="Btn" runat="server" OnClick="Btn_OnClick" />
    <asp:Label ID="lblSelectedValue" runat="server" Text="SelectedValue : " />
    <asp:Label ID="valueSelectedValue" runat="server" Style="background-color: yellow;" />
    <asp:Label ID="lblCurrentValue" runat="server" Text="CurrentValue : " />
    <asp:Label ID="valueCurrentValue" runat="server" Style="background-color: yellow;" />
    <asp:Label ID="lblSelectedIndex" runat="server" Text="SelectedIndex : " />
    <asp:Label ID="valueSelectedIndex" runat="server" Style="background-color: yellow;" />
</asp:Content>
/***************************************************************/

Aspx.cs file :
/***************************************************************/
using System;
using System.Data;

namespace TestWebCombo11_1
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("CodeIso");
            dt.Columns.Add("Libelle");

            DataRow dr = dt.NewRow();
            dr[0] = "Fra";
            dr[1] = "France";
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = "Ita";
            dr[1] = "Italie";
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = "Esp";
            dr[1] = "Espagne";
            dt.Rows.Add(dr);

            string currentValue = !IsPostBack ? string.Empty : wddTablePays.CurrentValue;
            string selectedValue = !IsPostBack ? string.Empty : wddTablePays.SelectedValue;
            wddTablePays.DataSource = dt;
            wddTablePays.DataBind();
            wddTablePays.CurrentValue = currentValue;
            wddTablePays.SelectedValue = selectedValue;
        }

        protected void Btn_OnClick(object sender, EventArgs e)
        {
            valueCurrentValue.Text = wddTablePays.CurrentValue;
            valueSelectedIndex.Text = wddTablePays.SelectedItemIndex.ToString();
            valueSelectedValue.Text = wddTablePays.SelectedValue;
        }
    }
}
/***************************************************************/

How to clear "CurrentValue" and  "SelectedItemIndex" ?

Thanks

 

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