點擊下載Spire.XLS

Q.如何將圖像添加到Excel？

A:請調用方法添加將圖像添加到Excel文件的工作表中。 全部代碼：

Workbook workbook = new Workbook();
Worksheet sheet = workbook.Worksheets[0];

//insert the picture day.jpg into the sheet and place it in the cell "B3"
sheet.Pictures.Add(3, 2, "day.jpg");
workbook.SaveToFile("result.xlsx");

Q.如何將新行插入Excel文件的工作表？

A:請調用InsertRow方法將新行添加到Excel文件的工作表中。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");
Worksheet sheet = workbook.Worksheets[0];

//add a new row in the third row
sheet.InsertRow(3);
workbook.SaveToFile("result.xlsx");

Q.如何在XLS中設置打印區域？

A:可以設置工作表的PrintArea屬性。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");
Worksheet sheet = workbook.Worksheets[0];

//set print area from cell "B2" to cell "F8"
sheet.PageSetup.PrintArea = "B2:F8";
workbook.SaveToFile("result.xlsx");

Q.如何復制單元格格式？

A:Spire.XLS為您提供了一種稱為“復制”的格式來復制單元格的方法。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");
Worksheet sheet1 = workbook.Worksheets[0];
Worksheet sheet3 = workbook.Worksheets[2];

//copy cell "B2" in sheet1 to cell "C6" in sheet3
sheet1.Range[3, 2].Copy(sheet3.Range[6,3]);
workbook.SaveToFile("result.xlsx");

Q.如何將XLS轉換為PDF？

A:首先，您需要將Spire.Pdf和Spire.Common的參考添加到您的項目中。 然后創建一個PdfDocument和一個PDF轉換器對象的實例。 最后，調用轉換方法轉換XLS到PDF。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");
PdfConverter pdfConverter = new PdfConverter(workbook);
PdfDocument pdfDocument = new PdfDocument();

//settings of result PDF docement
pdfDocument.PageSettings.Orientation = PdfPageOrientation.Landscape;
pdfDocument.PageSettings.Width = 970;
pdfDocument.PageSettings.Height = 850;
PdfConverterSettings settings = new PdfConverterSettings();
settings.TemplateDocument = pdfDocument;

//convert XLS to PDF using PdfConverter
pdfDocument = pdfConverter.Convert(settings);
pdfDocument.SaveToFile("result.pdf");

Q.如何在XLS中合并單元格？

A:Spire.XLS為您提供了一種稱為合并的方法來合并XLS中的單元格。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");
Worksheet sheet = workbook.Worksheets[0];

//merges cells "B3" "B4"
sheet.Range["B3:B4"].Merge();
workbook.SaveToFile("result.xlsx");

Q.如何重新排列XLS文件中的工作表？

A:Spire.XLS為您提供了一個稱為MoveWorksheet的方法來重新排列XLS文件中的工作表？ 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");
Worksheet sheet = workbook.Worksheets[3];

//move the fourth worksheet sheet to the first position of the worksheets
sheet.MoveWorksheet(0);
workbook.SaveToFile("result.xlsx");

Q.如何刪除excel工作表中的列？

A:Spire.XLS為您提供一個名為DeleteColumn的方法來刪除列。 此方法立即影響工作表收集的順序。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");

Worksheet sheet = workbook.Worksheets[1];
//delete the second column
sheet.DeleteColumn(2);

//delete the fourth column
sheet.DeleteColumn(3);
workbook.SaveToFile("result.xlsx");

Q.如何在XLS中指定范圍內設置數字格式？

A:您可以使用目標單元格的NumberFormat格式來設置cellrange的NumberValue。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample.xlsx");
Worksheet sheet = workbook.Worksheets[0];

//set number format in specified range
sheet.Range[2, 2, 6, 6].NumberFormat = "$#,##0.00";
sheet.Range["C3"].NumberValue = 3240.689;
sheet.Range["D4"].NumberValue = 5230.123;
workbook.SaveToFile("result.xlsx");

Q.如何向單元格添加公式？

A:只需設置單元格的公式屬性即可添加公式。 全部代碼：

Workbook workbook = new Workbook();
Worksheet worksheet = workbook.Worksheets[0];

//add formula =IF(H7>0,(IF(F7 > 0,(H7-F7)/F7,"""")),"""") to cell "J7"
string formula = @"=IF(H7>0,(IF(F7 > 0,(H7-F7)/F7,"""")),"""")";
worksheet.Range["J7"].Formula = formula;
worksheet.Range["F7"].NumberValue = 5;
worksheet.Range["H7"].NumberValue = 4;
workbook.SaveToFile("result.xlsx", ExcelVersion.Version2007);

Q.如何合并多個工作簿？

A:Spire.XLS為您提供了一個名為AddCopy的方法來合并Excel文件。 全部代碼：

Workbook workbook = new Workbook();
workbook.LoadFromFile("sample1.xlsx");
Workbook workbookDest = new Workbook();
workbookDest.LoadFromFile("sample2.xlsx");

//merge workbook with workbookDest
workbookDest.Worksheets.AddCopy(workbook.Worksheets);
workbookDest.SaveToFile("result.xlsx");