ASP.NET AJAX Control Toolkit - v15.1.4 - Maintenance update available

ASP.NET Team Blog
26 October 2015

A new release of the ASP.NET AJAX Control Toolkit, v15.1.4, is now available. We've included several bug fixes and new features.

You can download the latest release here:

ASP.NET AJAX Control Toolkit v15.1

Click the download button above and the get the latest bits.

Or use the Nuget package: ASP.NET AJAX Control Toolkit Nuget package

(If you missed news about the latest v15.1 ASP.NET AJAX Control Toolkit release then please read this helpful blog post.)

v15.1.4 Includes:

1. Bug fixes

  • Item 27961 - HTMLEditorExtender dropdown sets “null” font face
  • Item 27955 - AjaxControlToolkit LineChart doesn't work with 3 values in IE11 or Edge
  • Item 27570 - Czech time mask switch between dop. and odp.
  • Item 27736 - HtmlEditorExtender doesn’t correctly handle html links
  • Item 27350 - Typing is not allowed in the ComboBox until list is shown
  • Item 25370 - Watermark CSS class overrides TextBox CSS class
  • Item 27101 - Background doesn't render properly with Multiple ModalPopupExtenders
  • Item 27942 - HtmlEditorExtender adds & symbol when typing < or >
  • Item 27346 - CalendarExtender year change bug when setting StartDate and EndDate
  • Item 26881 - Accordion sets incorrect height
  • Item 27300 - AjaxFileUpload StatusMessage is not updated on fail
  • Item 27315 - BalloonPopupExtender DisplayOnClick does not work
  • Item 27364 - LineChart control script error (can't find parent div)
  • Item 27376 - CalendarExtender updates seconds when clicking "today" button
  • Item 27939 - Tabs generates script fatal error in debug mode
  • Item 27530 - TabContainer CssClass property ignored
  • Item 27917 - MaskedEditExtender clipboard paste broken in IE11
  • Item 27929 - MaskedEdit.js uses functions that are missing in IE8
  • Item 27920 - MaskedEditExtender loses value
  • Item 27921 - Access of undefined array in MaskedEditBehavior
  • Item 27911 - CalendarExtender IE8 NaN error
  • Item 27906 - DropDownExtender HighlightBackColor property only works with basic colors
  • Item 13114 - NumericUpDownExtender IE error
  • Item 27379 - AjaxFileUpload remove button bug in IE10
  • Item 27112 - BalloonPopupExtender visibility problem if it is placed in TabPanel or TabContainer
  • Item 27956 - Autoscroll to TabContainer on AutoPostBack
  • Item 27151 - Vertical Scroll position not in top when page loaded
  • Item 27926 - MaskedEditExtender breaks CalendarExtender
  • Item 27936 - SliderExtender produces a JavaScript error

2. Features and improvements:

  • Item 27390 - Charts option to hide the plot value display
  • Item 27734 - FileUpload ClearFileListAfterUpload property


AJAX Control Toolkit Documentation updated.

Helpful links

Helpful documentation articles are available on the CodePlex site:


Get the latest ASP.NET AJAX Control Toolkit v15.1.4 release and let us know your feedback by reporting it here.

How to upgrade to v15.1.4

Please take a look at the 'How to upgrade to v15.1 release' article to see how to migrate your existing ASP.NET AJAX Control Toolkit projects to the new v15.1.4 release.

Try DevExpress ASP.NET

We’d like to thank you for installing the DevExpress Edition of the AJAX Control Toolkit and look forward to your feedback as you begin its use.

When we took over the fabulous ASP.NET AJAX Control Toolkit, our goal was to reach those web developers who want to use great web user interface controls for their web projects and DevExpress ASP.NET provides that and much more.

Try the free DevExpress 30 day trial.


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