DevExpress v15.1:asp.net WebForms function Enhancement (ii)

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ASP. Spreadsheet Controlimproved copy/paste functionality

In previous versions, copy/paste operations could only work in a single spreadsheet document (spreadsheet the clipboard instead of the computer clipboard). End users can now use copy/cut/paste shortcut keys to transfer data between multiple spreadsheet documents, and even transfer data between spreadsheet and external applications (Excel, Word, and so on).

supports data streams and byte arrays (open/Save documents)

New server-side APIs (methods and events) have been implemented, so you can now store, open, and save documents in file systems and other locations, such as databases.

Worksheet Content Selection

Click the top left header cell to select the contents of the entire worksheet cell now.

scale adjustments for images and graphs

The end user can scale the image and chart proportionally by dragging a corner (the chart size requires holding down the SHIFT key), and the adjustment action can be canceled by the ESC key.

Client API access to ribbon objectsASP. NET Pivot Grid Controlnew Excel? Data export Engine

The DevExpress ASP. NET Pivot Grid control now uses a more powerful Excel data export engine, which has been significantly improved both in terms of performance and memory usage.

All Excel export operations fully support the following pivot grid features:

• Data grouping-the ability to collapse/expand groups in a work table
• Fix columns-columns and row areas stay within sight
• Cell formatting-Export number format
• Show text/value export-Choose whether to export displayed text or values

OLAP performance improvements and custom server mode sequencing

In the v15.1 version, we have significantly improved OLAP performance, and Pivotgrid can now sort data on the client side. Faster retrieval of data in scrolling, filtering, sorting, grouping, and other data formation scenarios. You can also use your own sorting algorithms to sort data in OLAP and server mode.

To further improve performance, you can get user-defined member properties in a query that has the required data.

NET Ribbon ControlNew Gallery Bar and Drop-down Gallery items

This update contains two types of ribbon gallery items: a gallery bar item and a Drop-down gallery item, designed to simplify the way users choose a value from a predefined list.

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DevExpress v15.1:asp.net WebForms function Enhancement (ii)