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Thread: Slow FormPanel rendering in 3.0 (compared to 2.3)

  1. #1
    Sencha Premium Member
    Join Date
    Jul 2009

    Default Slow FormPanel rendering in 3.0 (compared to 2.3)

    Hello all,

    i realized a extremely slow render performance for FormPanels in ExtJS 3.0 compared to 2.x. I simply have a window with a embedded FormPanel which contains several (about 10) controls (edit, combo, ...), nothing special at all. When the window is shown i can see each control seperatly how it is displayed and rendered. If i use the same code with ExtJS 2.3 the window and it's embedded form panel is shown completely rendered if it becomes visible. I could not realize any significant time differences with 3.0 and 2.3 until the window is shown (after calling show() function).
    Does anyone have the same problem or any hint? If needed i can commit any code.


  2. #2
    Sencha User
    Join Date
    Nov 2007


    I posted a thread about this issue last week ( I posted example code and the only suggestion I got was using xtypes to create form elements.

    This suggestion didn't work.

    I only have this problem with Firefox (both 3.0 and 3.5). The form renders normally on IE8/Webkit browsers.

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