How to convert multiple xls files to a single PDF document in WPF?

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How to convert multiple xls files to a single PDF document:

To convert multiple xls files to a single PDF, convert each excel file to PDF and merge the resultant. Below code snippet illustrates the same.

C#:

//Get files from the specified directory
string[] files = Directory.GetFiles("../../Data", "*.xls");
//Create a new PDF document
PdfDocument mergeDocument = new PdfDocument();
// Iterate the multiple .xls files to merge in single PDF.
foreach (string file in files)
{
//Create a new excel to PDF converter
ExcelToPdfConverter converter = new ExcelToPdfConverter(file);
//convert the excel document to PDF
PdfDocument tempDoc = converter.Convert();
using (MemoryStream ms = new MemoryStream())
{
//Save  the temporary PDF document
tempDoc.Save(ms);
//Close the temp document
tempDoc.Close(true);
//Merges the converted PDF document from excel.
mergeDocument.Append(new PdfLoadedDocument(ms));
}
}
//Save the document and dispose it.
mergeDocument.Save("Output.pdf");
mergeDocument.Close(true);

Conclusion

I hope you enjoyed learning about how to convert multiple xls files to a single PDF document in WPF.

You can refer to our WPF PDF feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our WPF PDF example
to understand how to create and manipulate data.

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