How to Preserve Integer Data Integrity When Exporting a DataTable to Excel using EPPlus?

Export DataTable to Excel with EPPlus: Preserving Data Integrity

Exporting data tables to Excel files can be a common task in many programming scenarios. When the data table contains properties of a specific type, it is crucial to ensure that the same formatting is maintained in the exported Excel file.

Question:

How can I export a DataTable to an Excel file using EPPlus, while maintaining the integrity of int properties?

Answer:

To accomplish this task, you can utilize the following code snippet:

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

This code will load the data table into the Excel worksheet starting from cell "A1". The true parameter in LoadFromDataTable indicates that the property types should be preserved, including int properties. EPPlus will automatically cast the columns to a suitable number format, ensuring that the data integrity is maintained.

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