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Spreadsheet - Open a Byte Array

The ASP.NET Core Spreadsheet allows you to open and save documents to an external data storage. This demo demonstrates how to open and save a document as a byte array.

  • To open the document, pass a delegate that obtains the target byte array as a parameter to the Open method's overload.
  • To convert the document to the byte array, call the SaveCopy) method's overload and specify the document's format as a parameter.
Backend API