I would like to disable some items in combo box when I click on button . What I am doing is on button click I will show a rad window with a combo box , when that was loaded I would like to disable some items
My design is as follows
My code on button click is as follows
But I am unable to achieve the required.
My design is as follows
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="radWindow.aspx.cs" Inherits="radWindow" %><%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title></head><body> <form id="form1" runat="server"> <telerik:RadScriptManager ID="radScript" runat="server"> </telerik:RadScriptManager> <div> <telerik:RadWindowManager ID="RadWindowManager1" runat="server" Behavior="Default" InitialBehavior="None"> <Windows> <telerik:RadWindow ID="RadWindow1" runat="server" Behaviors="Default" InitialBehaviors="None" OpenerElementID="btn" Width="650" Height="480" VisibleOnPageLoad="false"> <ContentTemplate> <telerik:RadComboBox ID="rdcmb" runat="server"> <Items> <telerik:RadComboBoxItem Text="One" Value="One" /> <telerik:RadComboBoxItem Text="Two" Value="Two" /> <telerik:RadComboBoxItem Text="Three" Value="Three" /> <telerik:RadComboBoxItem Text="Four" Value="Four" /> </Items> </telerik:RadComboBox> <telerik:RadTextBox ID="rdText" runat="server"> </telerik:RadTextBox> <telerik:RadButton ID="radbtn" runat="server" Text="Save" OnClick="radbtn_Click"> </telerik:RadButton> </ContentTemplate> </telerik:RadWindow> </Windows> </telerik:RadWindowManager> <asp:Button ID="btn" runat="server" OnClick="btn_Click" Text="Click" /> </div> </form></body></html>My code on button click is as follows
protected void btn_Click(object sender, EventArgs e) { foreach (RadComboBoxItem item in rdcmb.Items) { if (item.Text == "One" || item.Text == "Two") { item.Remove(); } } RadWindowManager1.Windows[0].VisibleOnPageLoad = true; }But I am unable to achieve the required.
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Shinu
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answered on 21 Jun 2012, 12:13 PM
Hi,
Using OpenerElementID in complex scenarios is not recommended. In addition when you use OpenerElementID set to some button, you will not be able to use that button's click on the server. Here is the sample code that I tried which worked as expected.
C#:
Thanks,
Shinu.
Using OpenerElementID in complex scenarios is not recommended. In addition when you use OpenerElementID set to some button, you will not be able to use that button's click on the server. Here is the sample code that I tried which worked as expected.
C#:
protected void btn_Click(object sender, EventArgs e){ foreach (RadComboBoxItem item in rdcmb.Items) { if (item.Text == "One" || item.Text == "Two") { item.Enabled = false; } }RadWindowManager1.Windows[0].VisibleOnPageLoad = true;}Thanks,
Shinu.