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What’s New in Syncfusion ASP.NET MVC UI Controls


What’s New in Syncfusion ASP.NET MVC UI Controls

Add more functionality to your ASP.NET MVC apps with seven new components, inline editing with virtualization in TreeGrid, and support to covert PowerPoint files to PDF/UA files.


New components

The following components have been added:

  • Image Editor
  • Floating Action Button (FAB)
  • Speed Dial
  • Skeleton
  • AppBar
  • Message
  • Mention

AppBar (Preview)

The ASP.NET MVC AppBar displays information and actions related to the current application screen. It is used to show branding, screen titles, navigation, and actions.

Key features

  • Modes: Regular, prominent, and dense modes define the AppBar height.
  • Content arrangement: Spacer and separator options can be used to align the content with minimal effort.
  • Color: Primary, light, dark, and inherit options to customize the Appbar color.
  • Position: Appbars can be placed at the top or bottom of the screen. They can also be sticky.


Mention component (Preview)

The @Mention component can be used to display a pop-up suggestion list whenever the designated mention key character is entered into a text box, rich text editor, or other editable element.

Key features

  • Data binding: Binds the list of items from local and remote data sources such as JSON, OData, WCF, and RESTful web services.
  • Grouping: Groups the logically related items under a single or specific category.
  • Filtering: Filters the list items based on a character typed in the component.
  • Sorting: Sorts the list items in alphabetical order (either ascending or descending).
  • Highlight search: Highlights the typed text in the suggestion list.
  • Templates: Customize the list item, display value, no records, and spinner loading content.
  • Accessibility: Built-in accessibility support helps to access all the Mention component features using keyboards, on-screen readers, or other assistive technology devices.

The ASP.NET MVC Carousel shows one complete slide and a partial view of adjacent (previous and next) slides at the same time. Find the demo link here.

Partial visible carousel


Border support for area charts

Provided border support for area chart types like Area, Step Area, Spline Area, Stacked Area and 100% Stacked Area.

Border support for area charts

Bubble and scatter charts in canvas

Provided support to render scatter and bubble charts in canvas mode.

Bubble and scatter charts in canvas mode

Zooming and panning toolbar

During the initial rendering, a toolbar for zooming and panning has been added to the chart.

Zooming and panning toolbar

Formatting Data Labels

It is now possible to format data labels in the chart, and it supports all global formats.

Formatting Data Labels


Freehand drawing

This feature allows users to draw freeform curves (splines) on the diagram page.

Freeform curves drawn using Diagram control

Additional auto scroll support

This feature automatically scrolls the diagram whenever nodes are resized and the connector end point is dragged beyond the boundary of the diagram.

Auto scroll during node resize and connector end point dragging

Word Processor

Show paragraphs and hidden marks

This feature shows or hides paragraph marks and other hidden formatting symbols in the Word Processor component. These marks help identify the start and end of a paragraph and all the hidden formatting symbols in a Word document.

Show paragraph and other hidden marks in Word Processor.

Floating Action Button (Preview)

The ASP.NET MVC Floating Action Button (FAB) appears in front of all the contents of the page and performs a primary action.

ASP.NET MVC Floating Action Button


Place the Floating Action Button in various built-in positions on the target element. ASP.NET MVC FAB positioning


The FAB supports several predefined styles.

ASP.NET MVC FAB with different predefined styles

Gantt Chart

Parent predecessor

Provides support to map predecessor dependency between parent-to-parent and parent-to-child tasks. Find the demo link here.

Parent Predecessor in ASP.NET MVC Gantt Chart

Alphanumeric support for task field’s ID

The ID TaskField that is used to map the tasks from the data source for displaying them in a hierarchical structure, now supports alphanumeric values. It also accepts integers and strings values.

Alphanumeric support for task ID in ASP.NET MVC Gantt Chart

Row drag and drop with virtualization

User can drag and drop rows to reorder them when the row virtualization feature is enabled.

Row drag and drop with virtualization in ASP.NET MVC Gantt Chart

Excel-like filtering

Provides support to filter Gantt Chart rows similar to standard Excel filtering functionality. The Excel filter menu contains a checkbox list with distinct column values from which the end user can choose a filter. It also has options such as sort, clear filter, and submenus for advanced filtering. Find the demo link here.

Excel Filtering in ASP.NET MVC Gantt Chart


Shimmer loading placeholder

This feature helps improve visualization while loading data by showing a placeholder in grid cells until the data operation is completed. Find the demo link here.

ASP.NET MVC Grid with shimmer loading placeholder

Infinite scrolling with lazy load grouping

When infinite scrolling is enabled in a grid, lazy load grouping renders records in a collapsed state when binding large amounts of data. The grouped items with N levels of data will be loaded on demand with infinite scrolling when the corresponding group is expanded. Find the demo link here.

ASP.NET MVC Grid infinite scrolling with lazy load grouping

Image Editor (Preview)

The Image Editor is a UI component that provides built-in support to edit images through APIs and the UI.

Key features

  • Selection: Select a region with a square or circle, using various aspect ratios, and drag and resize the selection.
  • Crop: The image can be cropped based on the selection.
  • Rotate: The image can be rotated both clockwise and counterclockwise by 90 degrees.
  • Flip: The image can be flipped both horizontally and vertically.
  • Zoom: The image can be zoomed in and out.
  • Pan: The entire image can be viewed by toggling the pan option in the toolbar.
  • Freehand drawing: Perform freehand drawing on the image and adjust the stroke width and color.
  • Annotations: Use text, rectangles, ellipses, and line shapes for annotations.
  • Save: Save the edited image in JPEG, PNG, and SVG formats.
  • Reset: Revert all the edited states and load the original image.

Message (preview)

The ASP.NET MVC Message control lets users convey messages’ urgency using differentiating icons and colors to denote the importance and context of the messages to the end user. It has predefined Normal, Success, Info, Warning, and Error severity types.

The control can be displayed with predefined Text, Outlined and Filled appearance variants.

Message comes with several built-in, customizable, SASS-based themes: Fluent, Tailwind CSS, Bootstrap 5, Bootstrap 4, Bootstrap, Material, Fabric, and high contrast.

ASP.NET MVC Message control demo

ASP.NET MVC Message control.

PDF Library

Create PDF digital signatures with LTV using a time-stamp URL

Long-term validation, or LTV, means that all the information needed to verify the digital signature is embedded within the PDF file.

Now, the Syncfusion .NET PDF Library digitally signs a PDF document with LTV using a time-stamp URL only. All the necessary details such as certificate chain, OCSP, and CRL can be downloaded from the given URL and embedded into the PDF document.

PDF digital signature enhancements

  • Provided support to get OCSP and CRL details from existing digitally signed PDF documents to verify the LTV.
  • Provided an API to choose between OCSP and CRL to validate the LTV in a PDF document.

External OCR engine

The Syncfusion OCR processor library uses the Tesseract OCR engine by default to extract text from scanned PDFs and images.

Now users can change the default OCR engine to external OCR services from Microsoft Azure, AWS, Google, and more.

HTML-to-PDF conversion enhancement

  • The Syncfusion HTML-to-PDF converter now uses the Chromium Blink rendering engine by default to convert HTML pages to PDF documents. The Blink rendering engine supports all the modern features supported by Google’s Chrome browser.
  • You no longer need to set the path for Blink binaries. By default, it is copied to the bin folder while installing the HTML-to-PDF converter NuGet packages.

Pivot Table


The paging support allows you to break and display large amounts of data page by page, improving the overall rendering performance of the pivot table. In addition, built-in navigation buttons are available to move between pages and to change the page size at runtime.

Display large amounts of data page by page in Pivot Table.

PowerPoint Library

PowerPoint-to-PDF conversion enhancements

Preserve structure tags in converted PDF documents for accessibility (PDF/UA or 508 compliance) support.

PowerPoint to PDF in ASP.NET MVC

Rich Text Editor

Insert audio and video

Insert audio and video files from a local folder or web URL or embed a URL from sources such as YouTube or Vimeo. Preview a video, resize it, and customize it using the quick toolbar.

@Mention integration

Easily integrate the @mention feature into the Rich Text Editor to display a suggestion list of items that users can select or tag. Once the user types the @ character in the editor, the suggestion list is shown and the user can select or tag a value from it.

Mention integration


Virtual scrolling in vertical views

This feature allows users to load only the visible items in the view port and load the remaining items on scrolling. This improves the Scheduler component’s performance while loading a large number of resources and appointments in vertical day, week, and month views. Find the demo link here.

ASP.NET MVC Scheduler virtual scrolling

Template support in year view

Users can customize all the cells in the year view.

Template support of year view in ASP.NET MVC Scheduler

Skeleton (Preview)

The ASP.NET MVC Skeleton component is a placeholder that animates a shimmer effect to let users know that the page`s content is currently loading. In other words, it simulates the layout of page content while loading the actual content. It supports wave, fade, and pulse animation effects.

Key features

  • Shapes: Supports Circle, Square, Text, and Rectangle shapes.
  • Shimmer effect: Supports fade and pulse shimmer effects.

ASP.NET MVC Skeleton

Speed Dial (Preview)

The ASP.NET MVC Speed Dial component is an extension of the floating action button that displays a list of action buttons when clicked. It is useful when there is more than one primary action for the page.

Key features

  • Display mode: Display action buttons in linear and radial directions.
  • Positioning: Place the Speed Dial button in various built-in positions on the target element.
  • Modal: Show a modal overlay behind the Speed Dial.
  • Template: Customize the action items and Speed Dial popup container.

ASP.NET MVC Speed Dial

Tree Grid

Inline editing with virtualization

Allows users to do CRUD operations such as add, edit, and delete directly on rows which are in current viewport when row and column virtualization features are enabled. Find the demo link here.

Inline editing with virtualization in ASP.NET MVC Tree Grid

Frozen columns with virtualization

Users can freeze specific columns while scrolling through other columns in a tree grid with row and column virtualization features enabled.

Frozen columns with virtualization in ASP.NET MVC Tree Grid

Word Library

Word-to-PDF conversion enhancements

Wavy, wavy heavy, wavy double, and double underline styles render as they are in the input Word document.

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