or

<telerik:RadWindow ID="rwAddStorage" runat="server" VisibleTitlebar="False" VisibleStatusbar="False" Modal="True" Behaviors="None" Width="500px" Behavior="None" Font-Size="14px" Height="610px"> <ContentTemplate> <telerik:RadAjaxPanel ID="rapConfig" runat="server"><asp:Panel ID="Panel3" runat="server"> <table border="0" cellpadding="0" cellspacing="0"> <tr> <td> <telerik:RadTextBox ID="txtSearchName" runat="server" EnableEmbeddedSkins="False" Width="260px" Skin="Inspire" EmptyMessage="Enter User Name for searching..." LabelCssClass="" LabelWidth="64px"> </telerik:RadTextBox> <asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" Text="Storage Prefix is required" SetFocusOnError="True" ValidationGroup="SearchUser" ControlToValidate="txtSearchName" Style="display: none;"></asp:RequiredFieldValidator> </td> <td style="padding-left: 5px"> <telerik:RadButton ID="btnSearch" runat="server" Text="Search" EnableEmbeddedSkins="False" ValidationGroup="SearchUser" Skin="Inspire" OnClick="btnSearch_Click"> </telerik:RadButton> <telerik:RadButton ID="btnAddUser" runat="server" Text="Add" EnableEmbeddedSkins="False" Skin="Inspire" Enabled="false" OnClick="btnAddUser_Click"> <Icon PrimaryIconCssClass="rbAdd"></Icon> </telerik:RadButton> </td> </tr> </table></asp:Panel> </telerik:RadAjaxPanel> </ContentTemplate> </telerik:RadWindow>We are using RadControls for ASP.NET AJAX Q2 2013, IE 8, coding in C#.
When setting the RadDropDownList Enabled = False, the control appears disabled, and the list does not expand when clicked on, but using arrow keys, or typing the first letter of an item in the list still changes the selected value.
Example code:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Test.aspx.cs" Inherits="Test" %><%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %><head id="Head2" runat="server"></head><body> <form id="form1" runat="server"> <div> <style> .RadDropDownList_Default .rddlDisabled { color: Black; } </style> <telerik:RadScriptManager ID="RadScriptManager1" runat="server" /> <telerik:RadStyleSheetManager ID="RadStyleSheetManager1" runat="server" /> <br /><br /> <telerik:RadDropDownList ID="RadDropDownList1" runat="server" Enabled = "false"> <Items> <telerik:DropDownListItem Text="xxxxx" /> <telerik:DropDownListItem Text="yyyyy" /> </Items> </telerik:RadDropDownList> <br /><br /> </div> </form></body>
<telerik:RadComboBox ID="RadComboBoxFacility" runat="server" Width="100%" Skin="MetroTouch" DropDownAutoWidth="Enabled"> <Items> <telerik:RadComboBoxItem runat="server" Text="Not Sure" Value="Not Sure" /> <telerik:RadComboBoxItem runat="server" Text="Specific Security Agreement (formerly Chattel Mortgage)" Value="Specific Security Agreement" /> <telerik:RadComboBoxItem runat="server" Text="Lease" Value="Lease" /> <telerik:RadComboBoxItem runat="server" Text="Hire Purchase" Value="Hire Purchase" /> <telerik:RadComboBoxItem runat="server" Text="Other" Value="Other" /> </Items> </telerik:RadComboBox>