UPDATED:
This code example demonstrates how to save and restore Spreadsheet documents from a database using a Binary column.
Starting with version 15.1, it is possible to use the SpreadsheetExtension.Open method to load a document and call the SpreadsheetExtension.SaveCopy method to save changes.
For Older Versions:
Use ISpreadsheetComponent.LoadDocument to load a document and ISpreadsheetComponent.SaveDocument - to save it.
See also:
T190812: ASPxSpreadsheet - How to save and load documents from a database
This code example demonstrates how to save and restore Spreadsheet documents from a database using a Binary column.
Starting with version 15.1, it is possible to use the SpreadsheetExtension.Open method to load a document and call the SpreadsheetExtension.SaveCopy method to save changes.
For Older Versions:
Use ISpreadsheetComponent.LoadDocument to load a document and ISpreadsheetComponent.SaveDocument - to save it.
See also:
T190812: ASPxSpreadsheet - How to save and load documents from a database