Internet Explorer exception

  1. #1

    Internet Explorer exception

    Hi,

    I have IE7 and get a "'null' is null or not an object" exception when loading the page:

    <%@ Page Language="C#" %>
    <%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
    <!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">
    </head>
    <body>
        <ext:ResourceManager ID="ResourceManager1" runat="server" />
        <ext:Viewport ID="ViewPort1" runat="server">
            <Content>
                <ext:Button runat="server" ID="ShowWindowButton" Text="Show">
                    <Listeners>
                        <Click Handler="#{MyWindow}.show()" />
                    </Listeners>
                </ext:Button>
            </Content>
        </ext:Viewport>
        <ext:Window ID="MyWindow" runat="server" Width="750" Height="550" Hidden="true"
            Modal="true" Constrain="true" Resizable="true" CloseAction="Hide" Maximizable="true"
            Minimizable="false" Header="false">
            <Content>
                <ext:FitLayout ID="FitLayout1" runat="server">
                    <Items>
                        <ext:TabPanel ID="ReportTabPanel" runat="server" BodyStyle="background: transparent;">
                            <Items>
                                <ext:Panel ID="IBMTab" runat="server" Title="Generate" Icon="ReportStart"
                                    Border="false" Layout="Fit">
                                    <AutoLoad Url="http://www.ibm.com" Mode="IFrame" TriggerEvent="show" 
                                        ShowMask="true"  />
                                </ext:Panel>                            
                            </Items>
                        </ext:TabPanel>
                    </Items>
                </ext:FitLayout>
            </Content>
            <Buttons>
                <ext:Button runat="server" ID="btnDetailsCancel" Text="Close">
                    <Listeners>
                        <Click Handler="#{MyWindow}.hide();" />
                    </Listeners>
                </ext:Button>
            </Buttons>
        </ext:Window>
    </body>
    </html>
    The code works fine in Chrome and Firefox. I tried to debug the exception but was unable to trace the root of the problem. It does however seem to be something to do with the container.

    Please help me fix this problem.

    thanks,
    Francois
  2. #2
    I believe this is an Ext.NET bug. I see Ext.NET overrides the Panel component to provide iframe support. Something is going wrong with the containers when using iframe mode.
  3. #3
    I tried your sample with the latest version of Ext.NET and I didn't get any exception in IE7. Maybe it's fixed already?
  4. #4
    Quote Originally Posted by wazige View Post
    I tried your sample with the latest version of Ext.NET and I didn't get any exception in IE7. Maybe it's fixed already?
    Thanks. I'll re-evaluate when the next version is released.

Similar Threads

  1. Override F-key in Internet Explorer
    By glenh in forum 1.x Help
    Replies: 0
    Last Post: Jul 04, 2012, 9:41 PM
  2. Bug with TabPanel in Internet Explorer
    By dimitar in forum 1.x Help
    Replies: 0
    Last Post: Jul 22, 2011, 9:13 PM
  3. MenuItem in Internet Explorer
    By reiben in forum 1.x Help
    Replies: 3
    Last Post: Nov 26, 2010, 6:07 PM
  4. [CLOSED] internet explorer cannot open the internet site
    By speedstepmem4 in forum 1.x Legacy Premium Help
    Replies: 3
    Last Post: Apr 28, 2009, 10:30 AM
  5. Internet Explorer 8
    By Ben in forum Open Discussions
    Replies: 3
    Last Post: Feb 25, 2009, 12:38 AM

Tags for this Thread

Posting Permissions