RadComboBox SelectText Question

2 posts, 0 answers
  1. shunman
    shunman avatar
    77 posts
    Member since:
    Jul 2011

    Posted 29 Jan 2013 Link to this post

    Hello Telerik.

    I have a question RadCoboBox's "SelectText" function.

    It can select part of text through selected length.

    I tried use this function but it doesn't work.

    So i have tried many test, finally getting result.

    If i want to use SeelectText function , i should to set some properpties.

    EnableTextSelection="true" EnableLoadOnDemand="true".

    that properies are set true, selectText was worked.

    Is it bug or planned scenario?

    I attached sample code please check this.

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Default" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <head runat="server">
        <telerik:RadStyleSheetManager ID="RadStyleSheetManager1" runat="server" />
        <form id="form1" runat="server">
            <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
                    <%--Needed for JavaScript IntelliSense in VS2010--%>
                    <%--For VS2008 replace RadScriptManager with ScriptManager--%>
                    <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />
                    <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />
                    <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />
            <script type="text/javascript">
                //Put your JavaScript code here.
                function RadComboBox1_Focus(sender, args) {
                    sender.selectText(0, 2);
            <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
                <telerik:RadTextBox runat="server" ID="TextBox1" TabIndex="1">
                <div style="height:30px;"></div>
                <telerik:RadComboBox ID="RadComboBoxLookupFirm" runat="server" Width="350" EnableTextSelection="false" TabIndex="2" OnClientFocus="RadComboBox1_Focus">
                        <telerik:RadComboBoxItem Text="1111111" Selected="true" />
                        <telerik:RadComboBoxItem Text="2222222" />
                        <telerik:RadComboBoxItem Text="3333333" />
                        <telerik:RadComboBoxItem Text="4444444" />
                <div style="height:30px;"></div>
                <telerik:RadComboBox ID="RadComboBox1" runat="server" Width="350" EnableTextSelection="true" EnableLoadOnDemand="true"  TabIndex="3" OnClientFocus="RadComboBox1_Focus">
                        <telerik:RadComboBoxItem Text="1111111" Selected="true" />
                        <telerik:RadComboBoxItem Text="2222222" />
                        <telerik:RadComboBoxItem Text="3333333" />
                        <telerik:RadComboBoxItem Text="4444444" />

  2. Hristo Valyavicharski
    Hristo Valyavicharski avatar
    975 posts

    Posted 06 Feb 2013 Link to this post

    Hi Shunman,

    Try to call this in RadComboBox1_DropDownOpened event:

    function RadComboBox1_DropDownOpened(sender,args)
        sender.selectText(0, 2);
    <telerik:RadComboBox ID="RadComboBox1" runat="server" Width="350" EnableTextSelection="true" EnableLoadOnDemand="true" TabIndex="3" OnClientFocus="RadComboBox1_Focus" OnClientDropDownOpened="RadComboBox1_DropDownOpened">
            <telerik:RadComboBoxItem Text="1111111" Selected="false" />
            <telerik:RadComboBoxItem Text="2222222" />
            <telerik:RadComboBoxItem Text="3333333" />
            <telerik:RadComboBoxItem Text="4444444" />

    because at the moment there are other events which are fired immediately after you focus the combo.

    I hope this helps.

    Hristo Valyavicharski
    the Telerik team
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