How to Preserve Integer Formatting When Exporting a DataTable to Excel with EPPlus?

Export DataTable with Int Properties to Excel Using EPPlus

When exporting data from a DataTable containing int properties to an Excel file using EPPlus, maintaining the original integer format is crucial.

To achieve this, the LoadFromDataTable() method is employed, which offers an efficient way to copy data from a DataTable to an Excel worksheet. By passing the true argument to this method, the column data types are preserved, ensuring that int properties remain as integers in the Excel file.

Here's a code snippet demonstrating the process:

using (ExcelPackage pck = new ExcelPackage(newFile))
{
  ExcelWorksheet ws = pck.Workbook.Worksheets.Add("Accounts");
  ws.Cells["A1"].LoadFromDataTable(dataTable, true);
  pck.Save();
}

By utilizing this approach, the data from your DataTable, including int properties, will be accurately exported to the Excel file while maintaining the intended data types.

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