Tab Panel Performance Issue

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  1. #1

    Tab Panel Performance Issue

    i have a serial problem in the performance of my web application,

    i am using a tab panel control,

    i noticed that "Memory usage" keep rising using the task manager on the client machine when opennig a new tabs and continues like this.

    this make the web application very slow not even that but the client machine too.

    Any help?!
  2. #2

    Suggestion

    As asuggestion can i destroy the inactive tabs in the tab panel?!!!
  3. #3
    Hi @ITECH-Developer,

    Please provide a test case.
  4. #4

    Test Case

    Quote Originally Posted by Daniil View Post
    Hi @ITECH-Developer,

    Please provide a test case.
    The test case already exist on Ext.net demo https://examples2.ext.net/

    when you open any example (demo) from the left menu a new tab will be open on the right section,

    please watch the browser process while you doing that using the windows task manager
  5. #5
    So, are you using iframes as well?
  6. #6
    Quote Originally Posted by Daniil View Post
    So, are you using iframes as well?
    yes i think,

    i am using a TabPanel Control and inside the Items section i place the tabs (panels)

    Click image for larger version. 

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    Last edited by ITECH-Developer; Jun 05, 2013 at 12:21 PM.
  7. #7
    Yes, I understand. But are you actually using iframes? Do you use a Loader with Mode="Frame" somewhere within tabs?
  8. #8
    Quote Originally Posted by Daniil View Post
    Yes, I understand. But are you actually using iframes? Do you use a Loader with Mode="Frame" somewhere within tabs?
    I belive Yes

     
    <ext:Panel ID="tpBroadCastInbox" Icon="Email" runat="server" Title="Inbox" meta:resourcekey="pnlBroadCastInboxResource1" Border="false">
    
                   <AutoLoad Mode="IFrame" DiscardUrl="true" Url="~/Pages/Broadcast/BroadcastInbox.aspx" ShowMask="true">
                   </AutoLoad>
    
    </ext:Panel>
  9. #9
    Yes, Mode="IFrame" means that you are using iframes.

    Also, you are using Ext.NET v1. But this Examples Explorer
    https://examples2.ext.net/
    is v2.2.

    We have an Issue regarding memory leaking in v2 with iframes.
    https://github.com/extnet/Ext.NET/issues/10

    But, seems, it should be fine with v1. Can you reproduce it with the Examples Explorer v1.6?
    https://examples1.ext.net/
  10. #10
    The problem is already exist on the example explorer for V1.6

    and i am using the the V1 and i have the same problem.

    Is there anyway to solved this problem?!
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