DataGridView内容导出到Excel文件

public static void ExportToXlsFile(DataGridView dataGridView, string path)
        {
            XlsDocument doc = new XlsDocument();
            Workbook workbook = doc.Workbook;
            Worksheet worksheet = workbook.Worksheets.Add("sheet1");
            DataGridViewColumnCollection columns = dataGridView.Columns;
            foreach (DataGridViewColumn column in columns)
            {
                ushort columnIndex = (ushort)column.DisplayIndex;
                Cell cell = worksheet.Cells.Add((ushort)1, columnIndex + (ushort)1, column.HeaderText);
                cell.Font.Bold = true;
                ColumnInfo info = new ColumnInfo(doc, worksheet)
                {
                    ColumnIndexStart = columnIndex,
                    ColumnIndexEnd = columnIndex,
                    Width = (ushort)(column.Width * 40),
                    Hidden = !column.Visible
                };
                worksheet.AddColumnInfo(info);
            }

            int i = 2;
            foreach (DataGridViewRow row in dataGridView.Rows)
            {
                foreach (DataGridViewCell cell in row.Cells)
                {
                    object value = cell.FormattedValue;
                    worksheet.Cells.Add(i, cell.OwningColumn.DisplayIndex + 1, value).Font.Height = 160;
                }
                i++;
            }
            doc.FileName = path;
            doc.Save(true);
        }