C# Excel 庫

讀取 Excel 檔案而不使用 Interop 查看所有37個代碼範例

using IronXL;
using System;
using System.Linq;

// Supported for XLSX, XLS, XLSM, XLTX, CSV and TSV
WorkBook workBook = WorkBook.Load("sample.xlsx");

// Select worksheet at index 0
WorkSheet workSheet = workBook.WorkSheets[0];

// Get any existing worksheet
WorkSheet firstSheet = workBook.DefaultWorkSheet;

// Select a cell and return the converted value
int cellValue = workSheet["A2"].IntValue;

// Read from ranges of cells elegantly.
foreach (var cell in workSheet["A2:A10"])
{
    Console.WriteLine("Cell {0} has value '{1}'", cell.AddressString, cell.Text);
}

// Calculate aggregate values such as Min, Max and Sum
decimal sum = workSheet["A2:A10"].Sum();

// Linq compatible
decimal max = workSheet["A2:A10"].Max(c => c.DecimalValue);

Install-Package IronXL.Excel

Excel工作表查看所有37個代碼範例

using IronXL;

// Create new Excel spreadsheet
WorkBook workBook = WorkBook.Create(ExcelFileFormat.XLSX);

// Create worksheets (workSheet1, workSheet2, workSheet3)
WorkSheet workSheet1 = workBook.CreateWorkSheet("workSheet1");
WorkSheet workSheet2 = workBook.CreateWorkSheet("workSheet2");
WorkSheet workSheet3 = workBook.CreateWorkSheet("workSheet3");

// Set worksheet position (workSheet2, workSheet1, workSheet3)
workBook.SetSheetPosition("workSheet2", 0);

// Set active for workSheet3
workBook.SetActiveTab(2);

// Remove workSheet1
workBook.RemoveWorkSheet(1);

workBook.SaveAs("manageWorkSheet.xlsx");

Install-Package IronXL.Excel

建立 Excel 檔案查看所有37個代碼範例

using IronXL;

// Create new Excel WorkBook document
WorkBook workBook = WorkBook.Create();

// Convert XLSX to XLS
WorkBook xlsWorkBook = WorkBook.Create(ExcelFileFormat.XLS);

// Create a blank WorkSheet
WorkSheet workSheet = workBook.CreateWorkSheet("new_sheet");

// Add data and styles to the new worksheet
workSheet["A1"].Value = "Hello World";
workSheet["A1"].Style.WrapText = true;
workSheet["A2"].BoolValue = true;
workSheet["A2"].Style.BottomBorder.Type = IronXL.Styles.BorderType.Double;

// Save the excel file as XLS, XLSX, CSV, TSV, JSON, XML, HTML and streams
workBook.SaveAs("sample.xlsx");

Install-Package IronXL.Excel

轉換試算表文件類型查看所有37個代碼範例

using IronXL;
using System.IO;

// Import any XLSX, XLS, XLSM, XLTX, CSV and TSV
WorkBook workBook = WorkBook.Load("sample.xlsx");

// Export the excel file as XLS, XLSX, XLSM, CSV, TSV, JSON, XML
workBook.SaveAs("sample.xls");
workBook.SaveAs("sample.xlsx");
workBook.SaveAs("sample.tsv");
workBook.SaveAsCsv("sample.csv");
workBook.SaveAsJson("sample.json");
workBook.SaveAsXml("sample.xml");

// Export the excel file as Html, Html string
workBook.ExportToHtml("sample.html");
string htmlString = workBook.ExportToHtmlString();

// Export the excel file as Binary, Byte array, Data set, Stream
byte[] binary = workBook.ToBinary();
byte[] byteArray = workBook.ToByteArray();
System.Data.DataSet dataSet = workBook.ToDataSet(); // Allow easy integration with DataGrids, SQL and EF
Stream stream = workBook.ToStream();

Install-Package IronXL.Excel

透過System.Data.DataSet將Excel轉換為SQL 查看所有37個代碼範例

using IronXL;
using System;
using System.Data;

// Supported for XLSX, XLS, XLSM, XLTX, CSV and TSV
WorkBook workBook = WorkBook.Load("sample.xlsx");

// Convert the whole Excel WorkBook to a DataSet
DataSet dataSet = workBook.ToDataSet();

foreach (DataTable table in dataSet.Tables)
{
    Console.WriteLine(table.TableName);

    // Enumerate by rows or columns first at your preference
    foreach (DataRow row in table.Rows)
    {
        for (int i = 0 ; i < table.Columns.Count ; i++)
        {
            Console.Write(row[i]);
        }
    }
}

Install-Package IronXL.Excel

通過DataTable將Excel轉換為SQL和DataGrid 查看所有37個代碼範例

using IronXL;
using System;
using System.Data;

// Supported for XLSX, XLS, XLSM, XLTX, CSV and TSV
WorkBook workBook = WorkBook.Load("sample.xlsx");

// Select default sheet
WorkSheet workSheet = workBook.DefaultWorkSheet;

// Convert the worksheet to DataTable
DataTable dataTable = workSheet.ToDataTable(true);

// Enumerate by rows or columns first at your preference
foreach (DataRow row in dataTable.Rows)
{
    for (int i = 0 ; i < dataTable.Columns.Count ; i++)
    {
        Console.Write(row[i]);
    }
}

Install-Package IronXL.Excel

Excel 條件格式設定查看所有37個代碼範例

using IronXL;
using IronXL.Formatting.Enums;
using IronXL.Styles;

WorkBook workBook = WorkBook.Load("sample.xlsx");
WorkSheet workSheet = workBook.DefaultWorkSheet;

// Create conditional formatting rule
var rule = workSheet.ConditionalFormatting.CreateConditionalFormattingRule(ComparisonOperator.LessThan, "8");
// Set style options
rule.FontFormatting.IsBold = true;
rule.FontFormatting.FontColor = "#123456";
rule.BorderFormatting.RightBorderColor = "#ffffff";
rule.BorderFormatting.RightBorderType = BorderType.Thick;
rule.PatternFormatting.BackgroundColor = "#54bdd9";
rule.PatternFormatting.FillPattern = FillPattern.Diamonds;
// Apply formatting on specified region
workSheet.ConditionalFormatting.AddConditionalFormatting("A3:A8", rule);

// Create conditional formatting rule
var rule1 = workSheet.ConditionalFormatting.CreateConditionalFormattingRule(ComparisonOperator.Between, "7", "10");
// Set style options
rule1.FontFormatting.IsItalic = true;
rule1.FontFormatting.UnderlineType = FontUnderlineType.Single;
// Apply formatting on specified region
workSheet.ConditionalFormatting.AddConditionalFormatting("A3:A9", rule1);

workBook.SaveAs("applyConditionalFormatting.xlsx");

Install-Package IronXL.Excel

保護Excel文件查看所有37個代碼範例

using IronXL;

WorkBook workBook = WorkBook.Load("sample.xlsx");
WorkSheet workSheet = workBook.DefaultWorkSheet;

// Open protected spreadsheet file
WorkBook protectedWorkBook = WorkBook.Load("sample.xlsx", "IronSoftware");

// Spreadsheet protection
// Set protection for spreadsheet file
workBook.Encrypt("IronSoftware");

// Remove protection for spreadsheet file. Original password is required.
workBook.Password = null;

workBook.Save();

// Worksheet protection
// Set protection for individual worksheet
workSheet.ProtectSheet("IronXL");

// Remove protection for particular worksheet. It works without password!
workSheet.UnprotectSheet();

workBook.Save();

Install-Package IronXL.Excel

C#中的Excel公式查看所有37個代碼範例

using IronXL;
using System.Linq;

WorkBook workBook = WorkBook.Load("sample.xlsx");
WorkSheet workSheet = workBook.DefaultWorkSheet;

// Set Formulas
workSheet["A1"].Formula = "Sum(B8:C12)";
workSheet["B8"].Formula = "=C9/C11";
workSheet["G30"].Formula = "Max(C3:C7)";

// Force recalculate all formula values in all sheets.
workBook.EvaluateAll();

// Get the formula's calculated value.  e.g. "52"
var formulaValue = workSheet["G30"].First().FormattedCellValue;

// Get the formula as a string. e.g. "Max(C3:C7)"
string formulaString = workSheet["G30"].Formula;

// Save changes with updated formulas and calculated values.
workBook.Save();

Install-Package IronXL.Excel

在C#中編輯Excel元資料查看所有37個代碼範例

using IronXL;
using System;

WorkBook workBook = WorkBook.Load("sample.xlsx");

// Set author
workBook.Metadata.Author = "Your Name";
// Set comments
workBook.Metadata.Comments = "Monthly report";
// Set title
workBook.Metadata.Title = "July";
// Set keywords
workBook.Metadata.Keywords = "Report";

// Read the creation date of the excel file
DateTime? creationDate = workBook.Metadata.Created;

// Read the last printed date of the excel file
DateTime? printDate = workBook.Metadata.LastPrinted;

workBook.SaveAs("editedMetadata.xlsx");

Install-Package IronXL.Excel

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專為設計 C#、F#、VB.NET 運行於 .NET 8、7、6、Core、Standard 或 Framework

C# Excel 庫

一個優先考慮精確性、易用性和速度的C# Excel函式庫。

IronXL 是領先的 C# Excel 函式庫，專門用於在 .NET 中生成和編輯 Excel 文件。其用戶友好的 API 允許開發人員在幾分鐘內為 .NET 專案添加 Excel 功能。

所需的Excel API，無需Office Interop的麻煩。

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相容性

.NET 語言：

C#, VB.NET, F#

平台：

應用程式類型：

控制台、網頁、桌面

作業系統:

集成開發環境

證書

Microsoft Authenticode

工作簿

建立或載入試算表

儲存或匯出格式

System.Data 對象

進出口作為 DataSet 或 DataTable

編輯活頁簿

工作表

編輯公式:

排序資料：

建立和編輯圖表：

區域圖, 條形圖, 柱狀圖, 線條圖, 圓餅圖, 散點圖

編輯版面：

凍結窗格
自動調整尺寸行/列
新增和移除行/列

編輯工作表:

儲存格範圍

單元格範圍功能：

樣式儲存格:

數學函數：

平均和總和
分和最大

設置單元格數據格式：

文字, 數字, 公式, 日期, 貨幣, 科學, 時間, 布林值, 自訂格式

查看完整功能集

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