New Post: Convert range to table, treat all rows as data rows

/// <summary>
/// Exports data and column names from ClosedXML worksheet to DataTable
/// </summary>
public static DataTable ExportWorkSheetToDataTable(IXLWorksheet worksheet)
{
    DataTable dt = new DataTable();
    int ColumnsQty = worksheet.ColumnsUsed().Count();
    int RowsQty = worksheet.RowsUsed().Count();

    // Create column names for DataTable
    for (int i = 1; i <= ColumnsQty; i++)
    {
        dt.Columns.Add(worksheet.Row(1).Cell(i).GetValue<string>());
    }

    // Add data to DataTable
    for (int i = 2; i <= RowsQty; i++)
    {
        DataRow workRow = dt.NewRow();
        for (int j = 1; j <= ColumnsQty; j++)
        {
            var CellValue = worksheet.Row(i).Cell(j).Value;
            workRow[j - 1] = CellValue;
        }
        dt.Rows.Add(workRow);
    }
    return dt;
}