如何通过Excel互操作对象自动调整列的大小？

下面是我用来将数据加载到Excel工作表中的代码，但我期望在数据加载后自动调整列的大小。 有谁知道自动调整列大小的最佳方式？

using Microsoft.Office.Interop; public class ExportReport { public void Export() { Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application(); Excel.Workbook wb; Excel.Worksheet ws; Excel.Range aRange; object m = Type.Missing; string[,] data; string errorMessage = string.Empty; try { if (excelApp == null) throw new Exception("EXCEL could not be started."); // Create the workbook and worksheet. wb = excelApp.Workbooks.Add(Office.Excel.XlWBATemplate.xlWBATWorksheet); ws = (Office.Excel.Worksheet)wb.Worksheets[1]; if (ws == null) throw new Exception("Could not create worksheet."); // Set the range to fill. aRange = ws.get_Range("A1", "E100"); if (aRange == null) throw new Exception("Could not get a range."); // Load the column headers. data = new string[100, 5]; data[0, 0] = "Column 1"; data[0, 1] = "Column 2"; data[0, 2] = "Column 3"; data[0, 3] = "Column 4"; data[0, 4] = "Column 5"; // Load the data. for (int row = 1; row < 100; row++) { for (int col = 0; col < 5; col++) { data[row, col] = "STUFF"; } } // Save all data to the worksheet. aRange.set_Value(m, data); // Atuo size columns // TODO: Add Code to auto size columns. // Save the file. wb.SaveAs("C:\Test.xls", Office.Excel.XlFileFormat.xlExcel8, m, m, m, m, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, m, m, m, m, m); // Close the file. wb.Close(false, false, m); } catch (Exception) { } finally { // Close the connection. cmd.Close(); // Close Excel. excelApp.Quit(); } } } 

Answer 1

添加这个在你的TODO点：

aRange.Columns.AutoFit();

Answer 2

也有

 aRange.EntireColumn.AutoFit(); 

看看Range.Columns和Range.EntireColumn之间有什么区别 。

Answer 3

这可能太晚了，但如果你添加

  worksheet.Columns.AutoFit(); 

要么

  worksheet.Rows.AutoFit(); 

它也有效。

Answer 4

看看这篇文章，它不是一个完全符合你的问题，但适合它：

• Craig Murphy – Excel – wordwrap行autosize问题

Answer 5

这种方法打开已经创build的Excel文件，根据第三行自动调整所有工作表的所有列 。 正如你所看到的范围select从“A3到K3”在Excel中。

  public static void AutoFitExcelSheets() { Microsoft.Office.Interop.Excel.Application _excel = null; Microsoft.Office.Interop.Excel.Workbook excelWorkbook = null; try { string ExcelPath = ApplicationData.PATH_EXCEL_FILE; _excel = new Microsoft.Office.Interop.Excel.Application(); _excel.Visible = false; object readOnly = false; object isVisible = true; object missing = System.Reflection.Missing.Value; excelWorkbook = _excel.Workbooks.Open(ExcelPath, 0, false, 5, "", "", false, Microsoft.Office.Interop.Excel.XlPlatform.xlWindows, "", true, false, 0, true, false, false); Microsoft.Office.Interop.Excel.Sheets excelSheets = excelWorkbook.Worksheets; foreach (Microsoft.Office.Interop.Excel.Worksheet currentSheet in excelSheets) { string Name = currentSheet.Name; Microsoft.Office.Interop.Excel.Worksheet excelWorksheet = (Microsoft.Office.Interop.Excel.Worksheet)excelSheets.get_Item(Name); Microsoft.Office.Interop.Excel.Range excelCells = (Microsoft.Office.Interop.Excel.Range)excelWorksheet.get_Range("A3", "K3"); excelCells.Columns.AutoFit(); } } catch (Exception ex) { ProjectLog.AddError("EXCEL ERROR: Can not AutoFit: " + ex.Message); } finally { excelWorkbook.Close(true, Type.Missing, Type.Missing); GC.Collect(); GC.WaitForPendingFinalizers(); releaseObject(excelWorkbook); releaseObject(_excel); } }