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Mehul Harry is the DevExpress Web Program Manager. Follow him on twitter: @Mehulharry

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ASP.NET AJAX Control Toolkit v18.1.0 - Now Available

It's 2018 and we're delivering another ASP.NET AJAX Control Toolkit release for you that brings several useful bug fixes.

Update Your Version

Please upgrade your ASP.NET AJAX Control Toolkit version to the latest release. You can download our useful installer here:

Or use the Nuget libraries:

ASP.NET AJAX Control Toolkit Nuget packages

Then give us your feedback on GitHub.

Bug Fixes in v18.1.0

All controls

  • Item 369 - Error when installing the toolkit v17.1.1 to Visual Studio 2013


  • Item 360 - Accordion does not fire an ItemCommand event on postback


  • Item 351 - Filename is not encoded on uploading a file with AjaxFileUpload
  • Item 364 - Unsupported characters in AjaxFileUpload Error Message
  • Item 377 - “XML Parsing error: no root element found” in the Firefox browser’s console after uploading a file using AjaxFileUpload


  • Item 349 - AutoComplete extender completion list is hidden when CompletionInterval = 0
  • Item 385 - AutoCompleteExtender - The “change” event is raised twice in Chrome and FireFox


  • Item 331 - Calendar widget doesn’t work if invalid value typed into associated text field.


  • Item 374 - Child cascading dropdowns do not reset to prompt on parent value change.


  • Item 400 - A dropdown ComboBox list is displayed incorrectly when a textbox has the "position: absolute" style


  • Item 344 - Invalid argument error in HtmlEditorExtender


  • Item 339 - Sys.Extended.Deprecated is undefined in Rating control
  • Item 379 - Rating_Changed event fires twice

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 using it.

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.


Twitter: @mehulharry

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Published Jan 12 2018, 11:35 AM by
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About Mehul Harry (DevExpress)

Mehul Harry is an ASP.NET technical evangelist at Developer Express. You can reach him directly at You can also follow him on Twitter:

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