Telerik R1 2020 Release_1200x303

Check out everything that's new in the first release of 2020 for Telerik UI for ASP.NET AJAX, including a new RadMultiSelect component and improved trainings.

Happy 2020 fellow developers! We hope it brings health, peace and many successful projects! With the start of the new year we are happy to share with you what Telerik R1 2020 brings to your ASP.NET AJAX applications. Discover more about what's new in Telerik UI for ASP.NET AJAX – new RadMultiSelect component, updated Virtual Classroom Training Video Series, and improvements in documentation and Knowledge Base!

New ASP.NET AJAX MultiSelect Component

The RadMultiSelect Control displays a list of options and allows you to make multiple selections from this list. It supports custom rendering of popup items and tags, header and footer elements, virtualization, and configurable options for controlling the list look and feel.

Telerik UI for ASP.NET AJAX MultiSelect

Data Binding

The MultiSelect Component supports both server-side (SqlDataSource, List<T> or DataTable) and client-side binding (web service).

Grouping

The MultiSelect Component allows binding to a grouped data source and have dropdown list items grouped in a logical way.

Telerik UI for ASP.NET AJAX MultiSelect Grouping

Custom Look and Feel with Templates

You can completely customize the MultiSelect component and its items rendering by using templates.

The component gives you options to manage the way the pop-up is rendered for the following templates:

  • Header Templates
  • Footer Templates
  • Item Templates
  • Tag Templates 

Telerik UI for ASP.NET AJAX MultiSelect Templates

Virtualization

The Virtualization feature of the MultiSelect component will enable you to display large datasets in a highly performant way.

Single and Multiple Tag Options

Other handy options of the MultiSelect component are the ‘Single’ and ‘Multiple’ tags, which allow you to customize the way selected values are displayed – either as total number of selected items (count), or as a list of selected values.

Telerik UI for ASP.NET AJAX MultiSelect Tag Options

Multiple Skin Options To Choose From

The RadMultiSelect comes with 21 skins like Material, Bootstrap and Metro to help you fit and adapt the component to match the needs of your website.

RTL and Keyboard Support

In addition to all the above, the MultiSelect component supports Keyboard Navigation and can render its content in a right-to-left direction for languages that require that, such as Arabic, Hebrew, Chinese, or Japanese.

Component Enhancements

In the R1 2020 release we implemented multiple improvements on our most popular components:

  • RadHtmlChart – added Opacity property for the chart series, which would allow control of its transparency
  • RadAutoCompleteBox – added RequestDelay property to allow delay of data retrieval while a user is typing
  • Security improvements in the AsyncUpload (AllowedCustomMetaDataTypes=Telerik.Web.UI.AsyncUploadConfiguration is enabled by default AND fixed incorrect server response in content-type header from AsyncUploadHandler
  • Improvements in the Find and Replace and Table Wizard dialogs of RadEditor
  • Accessibility improvement in the Gantt
  • Exporting to Excel enhancement in the Grid
  • Enhancements in the Spreadsheet, Slider and MultiColoumnCombobox
  • Official Support for Microsoft Edge Chromium

Updated Virtual Classroom Trainings

The Telerik UI for ASP.NET AJAX Virtual Classroom training has been updated and includes a series of technical trainings that will enable you to gain new skills, grow your product knowledge and boost your productivity. The training learning path is also a great way to onboard new team members and includes a sample application with multiple how-to topics and code examples.

Knowledge Base Articles and Documentation Improvement

We listened to your feedback on what resources will be helpful to you when developing ASP.NET AJAX applications. That’s why we added useful how-to and troubleshooting resources under the brand-new Knowledge Base (KB) section. Below are just a few examples of KBs that we added:

In R1 2020 we also placed effort on improving documentation quality of some of most popular articles such as:

Those are just a few examples, but the reality is that your valuable feedback helps us continuously enhance articles and make them up to date. Please keep up sharing it, this is greatly appreciated!

Try it Out and Learn More at the Webinar

We would like to thank you all for the continuous support and encourage you to download new trial, or if you are an active license holder you can just grab the latest and greatest from the Your Account page!

Once you try it out, let us know what you think on our feedback portal. Be sure to sign up for the Telerik R1 2020 release webinar on Tuesday, January 21st at 11:00 AM ET  for a deeper look at all the new features in the release.

Reserve Your Webinar Seat


Maria Veledinova
About the Author

Maria Veledinova

Maria Veledinova is Product Manager for Telerik UI .NET Web components - Blazor, ASP.NET Core, MVC and AJAX. She has experience in the field of product development and transformations of organizations towards forward-looking, innovative and impactful software products. Maria believes that behind every great product along with the cutting-edge technology stands challenging the status quo, close collaboration with the customers, and spirit of experimentation.

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