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


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

Volume 3 allows you to do more with ASP.NET Core by adding lazy loading in the DataGrid control, content control preservation in the Word Processor, and text and image redaction in PDF documents.


New features

Compatibility support provided for .NET 5.0 Release Candidate (RC1).

Preview to production-ready component

The Kanban component has been developed to meet industrial standards. It is now marked as a production-ready component for ASP.NET Core.


Stacked stepped area chart

A new stacked stepped area chart has been added. It is basically a stepped area chart where the related values are stacked on top of each other.

Stacking step area chart.

Chart legend title

This feature allows you to display a title for a legend.

Legend title.


Fixed user handle

This feature allows users to add fixed user handles to nodes and connectors. This handle will always be visible even if the node or connector is not selected.

Fixed user handle support for node and connector.

Word Library

Paper source settings

Access and modify the paper source settings in a Word document with the FirstPageTray and OtherPagesTray APIs.

Shapes in RTF format

Preserve shapes in RTF-to-DOCX conversion and vice versa.

Shapes in RTF-to-DOCX conversion.

Word-to-PDF enhancements

Word-to-PDF conversion has been enhanced in Word Library:

  • Justify the text in a paragraph, like in Microsoft Word 2013.
  • Automatically detect font names from themes for East Asian text.
  • Draw double strikethrough and underline styles, like in Microsoft Word.

Word Processor

Content control preservation

Preserve the content control in a document opened and exported by Word Processor.

Data Grid

Lazy loading with grouping

This feature allows users to use server-side grouping in order to render records in a collapsed state while binding a large volume of data. The grouped items with n levels of data will be loaded on demand when the corresponding group is expanded.

Lazy loading with grouping

Drag and drop frozen rows

This feature allows users to drag and drop grid rows in both frozen and movable parts of the Grid component.

Row drag and drop with frozen


Material Filled MultiSelect

This feature renders the MultiSelect control in filled style, which is the latest material design.

Filled MultiSelect with Delimeter Mode

Filled MultiSelect with Box Mode

PDF Library


Redact text and images from PDF documents.

Redact text and images from PDF documents.


Essential PDF now provides support for rendering Pdf417Barcode in PDF pages and images.



Convert existing PDF documents to PDF A1B, A2B, A3B conformance.

PDF to PDF A conformance.

Sign the PDF document externally using hash

Added support to sign the PDF document externally using PDF document hash.

External digital signature.

Detect blank PDF page

Find empty PDF pages in existing PDF documents.

Detect PDF conformance

Detect the PDF conformance of existing PDF document.

Annotation import and export

Import and export annotations in JSON format.

Pivot Table

Server-side pivot engine

Introduced a server-side engine where all the pivot calculations, filtering, sorting, etc. are done. Then, the information to be displayed in the viewport will be passed to the client side. This prevents transferring the entire data source to a browser, which reduces network traffic and increases rendering performance of the Pivot Table especially where there are millions of data. It works best when virtual scrolling is enabled. The engine supports different kinds of data sources such as JSON, CSV, DataTable, and collections.

Inline editing

An option to edit the pivot table value cell directly without the use of an external edit dialog has been provided. It is applicable if and only if the value of the cell is based on a single raw data.

Inline editing

Template support in toolbar

Template support to create and add custom toolbar items to the toolbar panel.

Template support in toolbar

PowerPoint Library

PPTX-to-PDF enhancements

PPTX-to-PDF conversion in PowerPoint Library has been enhanced:

  • Automatically detect font names from themes for complex script and East Asian text.
  • Use an API to define a fallback font for any Unicode character range. This fallback font is used to render characters that do not have glyphs in the original font.



Allows users to view, insert, and modify a picture in a spreadsheet with customizing options.

Shape Support

Multiline editing

This feature allows users to insert a line break between paragraphs of the text within a cell in a spreadsheet.

Multiline Editing

Range selection helper

Select a range or multiple ranges when editing a formula in a cell.

Range Selection Helper

Stock Chart

Stock events for individual series

This feature allows you to give the stock events for each series separately.

Stock event.

Tree Grid

Autofill with frozen rows and columns

This feature allows users to drag the autofill icon across frozen and movable parts of the Tree Grid and update the selected cell values in the Tree Grid content.

Autofill with frozen rows and columns

Visual Studio Extensions

.NET 5.0 Support

Extended Syncfusion ASP.NET Core Visual Studio Extension by providing the .NET 5.0 support to create Syncfusion ASP.NET Core applications, Angular, and React, convert the Blazor application to Syncfusion Blazor application, and migrate the Syncfusion version to another.

Syncfusion ASP.NET Core Project Template.

Excel Library

Excel to PDF enhancements

Excel-to-PDF conversion has been enhanced:

  • Convert Excel charts with images and shapes to a PDF or image.
  • Convert data bars and color scales of conditional formats to PDF.
  • Convert Excel form controls to PDF AcroForm fields or flattened images.

Excel to PDF enhancements.

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