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Disabling Buttons on the Client

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FormDecorator
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Christopher Blickley
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Christopher Blickley asked on 20 Jul 2010, 01:50 AM
Hello:

Are there any known issues with disabling a button on the client in WebKit browsers?  I would like to disable the buttons on the client, for example when the page is sumbmitted. This works fine without RadFormDecorator, but with RadFormDecorator, it doesn't work in Safari or Chrome.  The button gets disabled, but style doesn't change.  I was hoping for something that would be seamless between when the decorator is in use or not use so I don't have any custom javascript just for RadFormDecorator and can remove or disable it at will.  Here is a quick example aspx page that correcly changes the style in Firefox and IE, but not in Chrome/Safari.

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ 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">
  
<head runat="server">
    <title></title>
    <telerik:RadScriptBlock runat="server" ID="RadScriptBlock1">
    <script type="text/javascript">
        function test() {
            document.getElementById('<%= btnTest.ClientID %>').disabled = true;
        }
    </script>
    </telerik:RadScriptBlock>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
        <telerik:RadFormDecorator enabled="true" runat="server" ID="RadFormDecorator1" DecoratedControls="Buttons" />
        <asp:Button runat="server" ID="btnTest" Text="Disable Me" />
        <br />
        <br />
        <input type="button" value="Go" onclick="test();" />
    </div>
    </form>
</body>
</html>

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Petio Petkov
Telerik team
answered on 20 Jul 2010, 04:21 PM
Hello Christopher,

You should use  Telerik.Web.UI.RadFormDecorator.set_enabled method, e.g.
<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>  
<!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>  
    <title></title>   
    <script type="text/javascript">
        function toggleEnable()
        {
            var btn = $get('nextButton');
            Telerik.Web.UI.RadFormDecorator.set_enabled(btn, btn.disabled)
        }   
    </script>  
</head>  
<body>  
    <form id="form1" runat="server">   
    <asp:ScriptManager ID="ScriptManager1" runat="server">   
    </asp:ScriptManager>  
    <telerik:RadFormDecorator ID="RadFormDecorator1" runat="server" />  
    <input type="button" value="setEnableDisableToTheNextButton" onclick="toggleEnable()"/>   
    <input type="button" id="nextButton" value="NEXT BUTTON" />  
    </form>  
</body>  
Let us know if you have any other questions.


Best wishes,
Petio Petkov
the Telerik team
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FormDecorator
Asked by
Christopher Blickley
Top achievements
Rank 2
Answers by
Petio Petkov
Telerik team
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