WorkSheet.Columns.AutoFit(); 如果 使用 xml生成该如何设置?

Question

  writer2.WriteLine("<?xml version=\"1.0\"?>");
                writer2.WriteLine("<?mso-application progid=\"Excel.Sheet\"?>");
                writer2.WriteLine("<Workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\"");
                writer2.WriteLine(" xmlns:o=\"urn:schemas-microsoft-com:office:office\"");
                writer2.WriteLine(" xmlns:x=\"urn:schemas-microsoft-com:office:excel\"");
                writer2.WriteLine(" xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\"");
                writer2.WriteLine(" xmlns:html=\"http://www.w3.org/TR/REC-html40\">");
                writer2.WriteLine(" <DocumentProperties xmlns=\"urn:schemas-microsoft-com:office:office\">");
                writer2.WriteLine(" <Author>SHELWIN NEE</Author>");
                writer2.WriteLine(string.Format(" <Created>{0}T{1}Z</Created>", DateTime.Now.ToString("yyyy-mm-dd"), DateTime.Now.ToString("HH:MM:SS")));
                writer2.WriteLine(" <Company>MESNAC</Company>");
                writer2.WriteLine(" <Version>11.6408</Version>");
                writer2.WriteLine(" </DocumentProperties>");
                writer2.WriteLine(" <ExcelWorkbook xmlns=\"urn:schemas-microsoft-com:office:excel\">");
                writer2.WriteLine(" <WindowHeight>8955</WindowHeight>");
                writer2.WriteLine(" <WindowWidth>11355</WindowWidth>");
                writer2.WriteLine(" <WindowTopX>480</WindowTopX>");
                writer2.WriteLine(" <WindowTopY>15</WindowTopY>");
                writer2.WriteLine(" <ProtectStructure>False</ProtectStructure>");
                writer2.WriteLine(" <ProtectWindows>False</ProtectWindows>");
                writer2.WriteLine(" </ExcelWorkbook>");
                writer2.WriteLine(" <Styles>");
                writer2.WriteLine(" <Style ss:ID=\"Default\" ss:Name=\"Normal\">");
                writer2.WriteLine(" <Alignment ss:Vertical=\"Bottom\"/>");
                writer2.WriteLine(" <Borders/>");
                writer2.WriteLine(" <Font/>");
                writer2.WriteLine(" <Interior/>");
                writer2.WriteLine(" <Protection/>");
                writer2.WriteLine(" </Style>");
                writer2.WriteLine(" <Style ss:ID=\"s21\">");
                writer2.WriteLine(" <Alignment ss:Vertical=\"Bottom\" ss:WrapText=\"1\"/>");
                writer2.WriteLine(" </Style>");
                writer2.WriteLine(" </Styles>");
                writer2.WriteLine(" <Worksheet ss:Name=\"Sheet1\">");
                writer2.WriteLine(string.Format(" <Table ss:ExpandedColumnCount=\"{0}\" ss:ExpandedRowCount=\"{1}\" x:FullColumns=\"1\"", numCol.ToString(), numRow.ToString()));
                writer2.WriteLine(" x:FullRows=\"0\">");                //确定列的格式
                for (numTemp = 0; numTemp != numCol - 1; numTemp++)
                {
                    writer2.WriteLine("<Column ss:AutoFitWidth=\"1\"/>");
                }
                //导出标题
                writer2.WriteLine("<Row ss:AutoFitHeight=\"1\">");
                for (numTemp = 0; numTemp != numCol; numTemp++)
                {
                    writer2.Write("<Cell ss:StyleID=\"s21\"><Data ss:Type=\"String\">");
                    writer2.Write(this.Columns[numTemp].Caption);
                    writer2.WriteLine("</Data></Cell>");
                }
                writer2.WriteLine("</Row>");
                //导出数据
                foreach (DataRow row1 in this.Rows)
                {
                    writer2.WriteLine("<Row>");
                    for (numTemp = 0; numTemp != numCol; numTemp++)
                    {
                        writer2.Write("<Cell ss:StyleID=\"s21\"><Data ss:Type=\"String\">");
                        writer2.Write(row1[numTemp].ToString());
                        writer2.WriteLine("</Data></Cell>");
                    }
                    writer2.WriteLine("</Row>");
                }
                writer2.WriteLine(" </Table>");
                writer2.WriteLine(" <WorksheetOptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
                writer2.WriteLine(" <Selected/>");
                writer2.WriteLine(" <Panes>");
                writer2.WriteLine(" <Pane>");
                writer2.WriteLine(" <Number>3</Number>");
                writer2.WriteLine(" <ActiveRow>1</ActiveRow>");
                writer2.WriteLine(" </Pane>");
                writer2.WriteLine(" </Panes>");
                writer2.WriteLine(" <ProtectObjects>False</ProtectObjects>");
                writer2.WriteLine(" <ProtectScenarios>False</ProtectScenarios>");
                writer2.WriteLine(" </WorksheetOptions>");
                writer2.WriteLine(" </Worksheet>");
                writer2.WriteLine(" <Worksheet ss:Name=\"Sheet2\">");
                writer2.WriteLine(" <WorksheetOptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
                writer2.WriteLine(" <ProtectObjects>False</ProtectObjects>");
                writer2.WriteLine(" <ProtectScenarios>False</ProtectScenarios>");
                writer2.WriteLine(" </WorksheetOptions>");
                writer2.WriteLine(" </Worksheet>");
                writer2.WriteLine(" <Worksheet ss:Name=\"Sheet3\">");
                writer2.WriteLine(" <WorksheetOptions xmlns=\"urn:schemas-microsoft-com:office:excel\">");
                writer2.WriteLine(" <ProtectObjects>False</ProtectObjects>");
                writer2.WriteLine(" <ProtectScenarios>False</ProtectScenarios>");
                writer2.WriteLine(" </WorksheetOptions>");
                writer2.WriteLine(" </Worksheet>");
                writer2.WriteLine("</Workbook>");
                writer2 = null;
                writer1.Close();这样设置了列的自适应宽度 但是 只有 列头是自适应了 其他 数据行的 宽度是和列头一致,如何修改 能 使得 列的宽度 和 本列最宽的单元格宽度一致啊