Progress Telerik UI for ASP.NET Core

SpreadStreamProcessing

Overview

RadSpreadStreamProcessing for ASP.NET Core allows you to create large spreadsheet documents with great performance and minimal memory footprint. You can also export the created spreadsheet document to XLSX and CSV file formats.
Key Features

Directly Write into a Stream

Write spreadsheet content directly into a stream to optimize performance. The library will not create or save the document model in memory.

Append New Worksheets

Append new worksheets to an existing workbook.

Group

Restructure data in your worksheet by grouping rows or columns into sections.

Hide Rows and Columns

Hide extra data that doesn’t need to be visible.

Format Cells

Change the alignment, font, border and more properties of a cell.

Style Cells

Style simultaneously several cell properties, such as font, border, alignment and more to achieve a consistent appearance.

Merge Cells

You have the ability to merge two or more adjacent cells into a single cell that spans over multiple rows and columns.

Set Scale Factor

You can apply a scale factor to the exported document.

Control the Selection and the Active Cell

Export a document with selection range and specified active cell of the selection.

Show and Hide Gridlines

Enables you to set whether the resultant document should be visualized with grid lines and headers.

Freeze Panes

Freeze rows and columns to simultaneously view content from different parts of your workbook.

Change the First Visible Cell

Highlight a particular part of the worksheet when the user opens it.
Cell with Custom HTML

Setting the HTML property to true for a Spreadsheet cell will make that cell render its value as HTML. Use this feature to various controls directly into your Spreadsheet. Try it with the example in the API documentation.