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To get tool bar button from the sender in OnRequestStart - Ajax Manager

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Rose Garza
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Rose Garza asked on 30 Jul 2008, 12:47 PM
Hi,

I have a Splitter which has a tool bar with in it. Tool bar consists of 4 buttons. I have a AjaxManager which is used when any action on Splitter is performed. For example if i click on tool bar button which is with in Splitter, the OnRequestStart of the Ajax manager is called.
The issue is that how to get the tool bar button in the client side in OnRequestStart event. Right now, when i click on a button, from the eventArgs.EventTarget property i get the tool bar id, but not the specific tool bar button. Please provide a solution to get the specific tool bar button whcih is clicked by the user in OnRequestStart event.


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Veselin Vasilev
Telerik team
answered on 31 Jul 2008, 02:53 PM
Hello Rose Garza,

Here is one solution:

Declare a global javascript variable which will store the currently clicked toolbar item - this will happen in OnClientItemClicked event for example. Then in the OnRequestStart event handler you can access the global javascript variable.
Here is a sample code:

<script type="text/javascript"
//global variable holding the last clicked item 
var clickedItem; 
 
function OnRequestStartHandler(sender, eventArgs) 
    if (clickedItem) 
    { 
        alert(clickedItem.get_text()); 
    }    
 
function OnClientButtonClickedHandler(sender, eventArgs) 
    //initialize the clickedItem var     
    clickedItem = eventArgs.get_item(); 
</script>  

I hope this helps.

Regards,
Veskoni
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Rose Garza
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answered on 01 Aug 2008, 04:25 AM
Thanks Veskoni.
I'm already following this solution, the issue is that my web page has to work in both IE and firefox. This solution works fine in IE, but in Firefox the OnRequestStart is called first before the OnClientItemClicked, hence the global variable is 'undefined'. That is why i asked the question that whether from the sender or eventArgs argument of the OnRequestStart event, can i get the tool bar button clicked? Please suggest any alternate solutions too if you have any.
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Veselin Vasilev
Telerik team
answered on 01 Aug 2008, 05:44 AM
Hello Rose Garza,

Are you using the latest version?

At my side the OnClientButtonClicked is called before OnRequestStart under IE 7 and Firefox3.

You can try subscribing to OnClientButtonClicking instead, and let me know the results.

Regards,
Veskoni
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Rose Garza
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answered on 05 Aug 2008, 11:10 AM
Hi,

OnClientButtonClicked and OnClientButtonClicking did not work for me. I have the following code, please check the same in IE and firefox. The client side click event of the toolbar button should be called first and then OnRequestStart of the Ajax, but it happens reverse in case of Firefox.

The code is,

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %> 
<%@ Register Assembly="RadToolbar.Net2" Namespace="Telerik.WebControls" TagPrefix="radTlb" %> 
<%@ Register Assembly="RadAjax.Net2" Namespace="Telerik.WebControls" TagPrefix="radA" %> 
<%@ Register Assembly="RadSplitter.Net2" Namespace="Telerik.WebControls" TagPrefix="radspl" %> 
 
<!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>Untitled Page</title> 
    <script language="javascript" type="text/javascript">  
        function click_more()  
        {  
            alert('click_more');  
            return false;  
        }  
          
        function Defaul_click()  
        {  
            alert('Default_click');  
            return false;  
        }  
          
        function RequestStart(sender, eventArgs)  
        {  
            alert(eventArgs.EventTarget);  
        }  
          
    </script> 
</head> 
<body> 
    <form id="form1" runat="server">  
    <div> 
    <radspl:RadSplitter ID="radSplitter" runat="server" Skin="Outlook" Width="100%" Visible="true" 
                ResizeWithParentPane="true" ResizeWithBrowserWindow="true" ResizeMode="EndPane">  
    <radspl:RadPane ID="radtvwPane" runat="server" Width="20%" Scrolling="Both" Height="100%" 
                    EnableViewState="true">  
                                    <radTlb:RadToolbar ID="tbrButtons" runat="server" UseFadeEffect="True" Skin="Mac" 
                                    SkinsDir="~/RadControls/Toolbar/Skins/" AutoPostBack="true">  
                                    <Items> 
                                        <radTlb:RadToolbarButton ID="rbtnMore" DisplayType="TextImage" CommandName="More" 
                                            ButtonImage="row_add.png" Hidden="False" runat="server" Style="font-weight: normal;  
                                            font-family: Tahoma" ButtonText="Add" ToolTip="Add row" onClick="return Defaul_click();"/>  
                                            </Items> 
                                            </radTlb:RadToolbar> 
        <asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="if(!Defaul_click()){return false;}" /> 
        </radspl:RadPane>     
        </radspl:RadSplitter> 
          
            <radA:RadAjaxManager ID="ajaxPnlResults" runat="server">  
            <AjaxSettings> 
                <radA:AjaxSetting AjaxControlID="radSplitter">  
                    <UpdatedControls> 
                        <radA:AjaxUpdatedControl ControlID="radSplitter"></radA:AjaxUpdatedControl> 
                    </UpdatedControls> 
                </radA:AjaxSetting>                 
            </AjaxSettings> 
            <ClientEvents OnRequestStart="RequestStart"/>  
        </radA:RadAjaxManager>            
    </div> 
    </form> 
</body> 
</html> 
 

and the code behind is,

using System;  
using System.Data;  
using System.Configuration;  
using System.Collections;  
using System.Web;  
using System.Web.Security;  
using System.Web.UI;  
using System.Web.UI.WebControls;  
using System.Web.UI.WebControls.WebParts;  
using System.Web.UI.HtmlControls;  
 
public partial class Default2 : System.Web.UI.Page  
{  
    protected void Page_Load(object sender, EventArgs e)  
    {  
 
        //Telerik.WebControls.RadToolbarButton tbBtnMore =  
        //   tbrButtons.Items.GetButtonByCommandName("More");  
        //tbBtnMore.Attributes.Add("onClick", "if(!click_more()){return false;}");  
    }  
}  
 

Let me what is going wrong?

Thanks.
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Erjan Gavalji
Telerik team
answered on 06 Aug 2008, 03:16 PM
Hi Rose Garza,

I'm sorry for the misunderstanding. Once we found you're actually using RadToolBar for ASP.NET "Classic", we were able to verify the problem.

To my regret the problem occurred to be deeper than we expected and fixing it would take some more time. Would you instead consider switching to RadControls for ASP.NET Ajax? The new suite runs much faster and the architecture of the controls is much more intuitive.

Looking forward to your reply,
Erjan Gavalji
the Telerik team

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Rose Garza
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Answers by
Veselin Vasilev
Telerik team
Rose Garza
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Erjan Gavalji
Telerik team
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