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RadTextBox Multiline Issue with IE8

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Juan Angel
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Juan Angel asked on 30 Dec 2009, 09:42 AM
We have this scenario: complex pages (with 3 ContentPlaceHolders):
+ ContentPlaceHolder1: 
- Big menu (over 300 items in several RadTreeViews),
+ ContentPlaceHolder2: 
- Over 30 simple controls (RadTextBoxes, RadComboBox, RadDatePickers, etc.
- A RadGrid with edit in complex PopupForm (over 15 simple controls and one RadGrid).
+ ContentPlaceHolder3:
- ButtonBar with 10 ImageButtons

Well, with :
  1. new RadControls 2009.3.1208.35 (older version it's OK)
  2. only in IE8 (IE7, Firefox, Chrome it's OK)
  3. RadTextBox Multiline and ReadOnly="false" (if you set to SingleLine or ReadOnly="true" it's OK).

In this scenario, when you focus at RadTextBox Multiline the processor up to 50% and 1, 2, 3 or 4 second later textbox catch the focus. Therefore the page usability it's very poor.

This issue it's very rare. If you:
- use older version (for example 2009.3.1103)
- set my big menu to visible="false" or,
- use IE7, Firefox or Chrome or,
- set TextMode="SingleLine" or
- set ReadOnly="true"
- try with any other control: RadComboBox, RadDatePicker, RadTextBox SingleLine, ...
this behaviour disappears.

Thanks a lot.






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Pavel
Telerik team
answered on 30 Dec 2009, 11:20 AM
Hello Juan,

We have fixed a similar issue since the release of Q3 Service Pack 1 of the controls. Please try our latest internal build and let us know if the problem persists.

Sincerely yours,
Pavel
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Per
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answered on 15 Sep 2010, 10:31 AM
Any solution to this problem? I have the same issue using v.2010.2.826.40!

My textbox is placed within a listview (ASP) and when using a EmptyMessage this occurs, removing EmptyMessage everything works ok.
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Pavel
Telerik team
answered on 16 Sep 2010, 09:44 AM
Hi Per,

I cannot reproduce such a problem with our latest release. Could you paste some of your relevant code/markup so I can get a better idea of the exact scenario? This will help us investigate the issue further.

Kind regards,
Pavel
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Juan Angel
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