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SpreadStreamProcessing
- The ASP.NET AJAX SpreadStreamProcessing library is built to handle large spreadsheet documents with great performance and minimal memory footprint in your .NET applications.
- This control is part of the Telerik UI for ASP.NET AJAX suite along with 120+ full-featured components, designed to build web apps for any browser and device in half the time.
- The Web Forms UI suite comes with document processing library, rich example-driven articles and extensive docs & demos to help you with your development.
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ASP.NET AJAX SpreadStreamProcessing Library Overview
SpreadStreamProcessing for ASP.NET AJAX is a high-speed library for generating large spreadsheet documents and exporting them to XLSX and CSV file formats with optimal performance, minimal memory and less computing resources. When data volume and speed are critical for the success of your projects, SpreadStreamProcessing is your best choice.
Learn more about SpreadStreamProcessing and how it compares to SpreadProcessing
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No External Dependencies
The document model doesn’t depend on external libraries or UI. Users are able to process Microsoft Excel supported documents even without having Microsoft Excel, Microsoft Office or any other third-party software installed on the client or server.
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Fast and Memory-Efficient Spreadsheet Creation
Directly stream spreadsheet data to maximize performance. The library writes the spreadsheet content directly to a stream without saving the spreadsheet document model in memory.
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Workbooks and Worksheets
The ASP.NET AJAX SpreadStreamProcessing library comes with a flexible API for creating rows, cells and worksheets in a workbook. The worksheet API features options for customizing the first visible cell, selected cells, gridlines visibility, row and column header and zoom level, as well as to freeze panes.
Documentation on how to work with Workbooks and Worksheets in RadSpreadStreamProcessing
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Append New Worksheets
Easily combine multiple worksheets into a new or existing workbook with the high-performing SpreadStreamProcessing library. Utilize the API to copy the original worksheet names to avoid possible name duplications.
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Rows and Columns
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Grouping
The grouping feature allows users to organize data in sections to keep what’s important in view and temporarily remove what distracts them. They can group and selectively expand/collapse rows and columns of their choice to hide portions of the data and present only the summary of it. Use the SpreadStreamProcessing API to set the outline level of rows and columns when creating them.
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Cells
Cells are the building blocks of spreadsheets—they represent the intersection point of rows and columns. The ASP.NET AJAX SpreadStreamProcessing library enables you to define the cell value and formatting options. You can apply different settings for cell fill, border, font family and size, text wrapping, as well as format strings to accommodate existing data types.
Documentation on how to work with Cells in RadSpreadStreamProcessing
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Formulas
In addition to the various cell properties available to you, you can set the cell value to any formula supported by the OpenXML format. When the document is open in any spreadsheet application that complies with this format, it will evaluate the formulas correctly.
Documentation on the Formulas support in RadSpreadStreamProcessing
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Style Cells
Apply a consistent style to all cells across your worksheet. Using cell styles allows you to format multiple cell properties, including borders, fonts and strings, in one step. You can apply a predefined style or create a new one.
Documentation on how to Style Cells with RadSpreadStreamProcessing
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Merge Cells
Combine two or more adjacent cells into a single one that spans over multiple rows and columns.
Documentation on how to Merge Cells with RadSpreadStreamProcessing
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Freeze Panes
Freeze important rows and columns so you can see them no matter where you go in your worksheet. The API allows freezing any number of rows and columns during their creation.
Next Steps
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