[CLOSED] Combobox shows blank area below list items on mouse hover of combobox items. Browser IE 9.

  1. #1

    [CLOSED] Combobox shows blank area below list items on mouse hover of combobox items. Browser IE 9.


    My Configuration is :

    Ext.net version :
    Ext.net runtime version : 4.0.30319

    Ext.net.Utilities version :
    Ext.net.Utilities runtime version : 2.0.50727

    OS : Windows 7 professional

    .Net Framework : 4.5

    View Engine : Razor.

    I have a combobox.It has items which are lengthier such that horizontal scroll bar appears.
    When I mouse hover the combobox items for selection blanks area gets added / shown below the list items.

    Following is the screen shot of the same :

    Below is the sample code:

     public ActionResult TestCombo()
                return View();


        Layout = "~/Views/Shared/_Layout.cshtml";
        var X = Html.X();
    <!DOCTYPE html>
        <meta name="viewport" content="width=device-width" />
                                    .Items(new ListItem { Text = "Yesssssssssssssssssssssssssssssssssssssssssssssss", Value = "true" }, new ListItem { Text = "Nooooooooooooooooooooooooooooooooooooooooooo", Value = "false" })
    Last edited by Daniil; Jul 23, 2014 at 12:58 PM. Reason: [CLOSED]
  2. #2
    Hi @PriceRightHTML5team,

    I've reproduced the problem. I will investigate.
  3. #3
    IE9 behaves weird. I can suggest you this to fix the problem.
        setHighlightedItem: function(item){
  4. #4
    Hi Daniil,
    We didn't received email nofication of your "Jul 11, 2014, 12:44 PM" reply.

    I applied your given script.
    But due to this (script), facing another issue.
    I. Whenever I use mouse-wheel to scroll combobox items, it scrolls back to top of the list.
    II. If I press the vertical scrollbar to scroll down the combobox, it scrolls back to top of the list as soon as I release the mouse button.

    Kindly provide your inputs on the same.
  5. #5
    Reproduced. Instead of the previous override, please try this one:
    if (Ext.isIE9) {
            setHighlightedItem: function (item) {

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