DevExpress ASP.NET 20.1.3

ASP.NET Controls

Common Enhancements

• Accessibility.
• Adaptivity.
• Data Filtering.
• Data Editing (including Batch Editing).
• Touch Support.
• Data Export.
• Validation.

New Diagram

• 40+ Customizable and Scalable Shapes (including OrgChart shapes).
• Collapsible Shape Containers.
• Custom Shapes.
• Straight and Right-Angle Diagram Connectors.
• Bind to any External Data Source.
• Load / Save Diagram in JSON.
• Export to SVG, PNG and JPEG.
• Auto Layout.
• Templates.
• Full Screen Mode and Simple View.
• Read-Only Mode.
• Configurable Page Settings.
• Customizable UI.
• Support for Mobile Devices.
• DevExpress Themes.
• Localization.

New Gantt

• Data Binding.
• Task, Dependency and Resource Management.
• Change History.
• Column Management.
• Data Sorting.
• Task Dependency and Parent/Child Relationship Validation.
• Time Highlighting.
• Context Menu and Toolbar.
• Scroll and Zoom.
• Work Time and Holidays.
• Configurable Task Appearance.
• Localization.

Performance Improvements

• The controls are now much faster within the Visual Studio designer.
• Page can be edited approximately 2-5 times faster.
• First page load speed has been improved by more than 25% for websites and more than doubled for Web Applications (based on page complexity).
• ListBox/Combobox can now manage thousands of items on the client-side up to 10 times faster.
• Controls that rely on SVG images are now rendered faster.
• GridView requires fewer database queries when filtering DateTime columns and exporting data in server mode (especially selected rows).
• Decreased the number MVC GridView deadlocks.

Data Grid (GridView) Enhancements

• New context menu commands allow you to generate summaries on the fly:
  • COUNT, MIN and MAX summaries for Enum / DateTime / String columns;
  • COUNT, MIN, MAX, SUM and AVG summaries for numeric columns.
• ASP.NET GridView's toolbar now offers batch editing commands.

Charting

• Calculated Fields - This release includes calculated field support. Calculated fields allow you to apply an expression to data source fields.
• New DateTime Axis Mode - v20.1 includes a new SkipRangesWithoutPoints option. Enable it to automatically exclude all axis ranges without data points. This feature is especially useful for financial charting - you no longer need to manually define non-working date intervals.

File Manager and Upload Control

• Support for SharePoint Cloud Provider - With this release, the ASP.NET File Manager control allows end-users to manage files stored on SharePoint's cloud service.

Pivot Grid

• New Filter Panel Mode - DevExpress ASP.NET Pivot Grid includes a new filter panel mode called Filter. In this mode, a filter applied in the Filter Editor is synchronized with field filters.

New Summary Types for Server Mode and 'Optimized' Client Mode

• New PivotGrid summary types include:
  • CountDistinct.
  • Median.
  • Mode.
• The Expression editor ships with the following new functions:
  • CountDistinct().
  • Median().
  • Mode().

Rich Text Editor

• Client-Side WYSIWYG Export to PDF - The Rich Text Editor can now export a document to PDF directly on the client. When a document is exported to PDF on the client, PDF layout mirrors the layout displayed within the browser.
• Font Management API - Improved the Rich Text Editor's font management API. You can now specify font information for both the Ribbon and all associated dialog windows in a single code location.

New API

• MVCxClientUtils.PerformValidationInContainer / MVCxClientUtils.PerformValidationInContainerById - Allow you to validate editors (including hidden) on a form.
• GetDataItem - Gets a specific item data object from a data source linked to list editors.
• GridViewSettings.DetailRowGetButtonVisibility - Allows you to control expand buttons visibility within individual data rows.
• TreeList.NodeCollapsing / TreeList.NodeExpanding event arguments now include an 'htmlEvent' parameter.

ASP.NET Core Controls

New Diagram

• 40+ Predefined Shapes (including collapsible shape containers and OrgChart shapes).
• Custom Shapes.
• Bind to External Data.
• Load / Save Diagram in the JSON Format.
• Export to SVG, PNG and JPEG.
• Auto Layout.
• Templates.
• Full Screen and Simple View Modes.
• Read-Only Mode.
• Configurable Page Settings.
• UI Customization.
• Support for Mobile Devices.
• Localization.

New File Manager

• Configurable and Modular File System Providers.
• File and Folder Editing.
• Upload / Download Files.
• Thumbnail and Details view modes.
• Selection.
• Progress and Status UI.
• Toolbar and Context Menu.
• File Upload Validation.
• Responsive UI.
• Touch Support.
• Localization.

New Gantt

• Data Binding.
• Task, Dependency and Resource Management.
• Change History.
• Task Dependency and Parent/Child Relationship Validation.
• Time Highlighting.
• Context Menu and Toolbar.
• Scroll and Zoom.
• Configurable Task Appearance.
• Localization.

Charting

• Custom Position of Chart Axes - You can now specify the X/Y offset for axes origin.
• Polar Chart Annotations - The Polar Chart now includes annotation support.

Data Grid

• New Export to Excel API
  • Customize Individual Cells via customizeCell Callback.
  • Column Band Export.
  • Cell Text Alignment, Wrapping and Font Settings.
  • DataGrid's Column Format Support.
  • Cell Image Export.
  • Microsoft Excel-Inspired Column Filter.

Data Grid and Tree List

• Remote Validation Support - Extended Asynchronous Validation Rule support in DataGrid/TreeList cells when using row and batch edit modes.

Rich Text Editor

• Client-Side WYSIWYG Export to PDF - The Rich Text Editor can now export a document to PDF directly on the client. When a document is exported to PDF on the client, PDF layout mirrors the layout displayed within the browser.
• Font Management API - Improved the Rich Text Editor's font management API. You can now specify font information for both the Ribbon and all associated dialog windows in a single code location.

Scheduler

• Hourly Repeating Events - DevExtreme Scheduler can now use hours to specify repeat intervals for an event (such as an event that repeats every 4 hours).
• Adaptivity Enhancements - The DevExtreme Scheduler's Appointment Form was redesigned to better match screen size.
• API Enhancements - This release includes a new 'allowEditingTimeZones' option. You no longer need to implement a custom 'onAppointmentFormOpening' event handler.

HTML/Markdown Editor

• Multi-line Toolbar - You can now display HTMLEditor toolbar items across multiple lines. Turn-off the 'toolbar.multiline' option to disable this new option.

UI Widgets

• TreeView - Selection API Enhancements
  • GetSelectedNodes - gets selected nodes.
  • GetSelectedNodeKeys - gets selected node keys.
• TreeView - Scrolling API Enhancements
  • The new 'scrollToItem' method allows you to scroll to a specified TreeView node.

Visual Studio Integration

• New DevExtreme-based ASP.NET Core Project Wizard - v20.1 ships with a fully reworked project wizard. Combined multiple ASP.NET Core project templates into a single new item. Once you create a project, the wizard will ask you to choose between:
  • Two .NET Core LTS versions - 2.1 and 3.1. Note that 3.1 is only available in Visual Studio 2019.
  • Razor Pages or MVC Views
  • Bootstrap or Material application layout
• New Scaffold API Controller Wizard (XPO Data Model) - The new wizard allows you to create an API controller that uses an eXpress Persistent Objects (XPO) data model.

ASP.NET Bootstrap Controls

Accordion

• Group Appearance Options - New properties allow you to customize a group's appearance:
  • SettingsBootstrap.RenderOption - specifies the Bootstrap style used for an Accordion group.
  • TextCssClass - specifies CSS classes for a group's text.

GridView

• Edit Form Customization API - New server-side and client-side API allows you to customize the Edit Form. You can now specify item caption and toggle item visibility as needed.

Charting

• Custom Position of Chart Axes - You can now specify the X/Y offset for axes origin. Use the BootstrapChartCommonAxisSettings.CustomPosition and BootstrapChartCommonAxisSettings.Offset properties as necessary.

Editors

• List Box / ComboBox - Multi-Column Mode
  • The Bootstrap List Box and ComboBox controls can now display data across multiple columns. Set the BootstrapListBox.EnableMultiColum / BootstrapComboBox.EnableMultiColum property to 'true' to enable multi-column mode.
  • New field settings allow you to customize a column's caption, width and tooltip (SettingsMultiColumn).

FileManager

• Support for SharePoint Cloud Provider - With this release, the ASP.NET File Manager control allows end-users to manage files stored on SharePoint's cloud service.
• ListBox/Combobox can now manage thousands of items on the client-side up 10 times faster.
• GridView requires fewer database queries when filtering DateTime columns and exporting data in server mode (especially selected rows).