以下是一个使用 NPOI 库读取 .xls 文件的示例代码: csharp using NPOI.HSSF.UserModel; // 引用 NPOI 库中处理 .xls 文件的命名空间 using NPOI.SS.UserModel; using System; using System.IO; public class ExcelReader { public static void ReadXls(string filePath) { FileInfo existingFile = new File...
问用EPPlus读取Excel电子表格EN// Get the file we are going to processvarexistingFile=newFileInfo(...
ofd.Filter = "*.xls|*.xlsx"; if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK) { pfilePath = ofd.FileName; } if (string.IsNullOrEmpty(pfilePath)) { MessageBox.Show("没有选中文件"); return; } FileInfo existingFile = new FileInfo(pfilePath); try { ExcelPackage package ...
publicstaticvoid CreateExcelByList<T>(string filePath, List<T> dataList) where T :class { string dirPath = Path.GetDirectoryName(filePath); string fileName = Path.GetFileName(filePath); FileInfo newFile =new FileInfo(filePath); if (newFile.Exists) { newFile.Delete();// ensures we ...
private readonly IHostingEnvironment _hostingEnvironment;public ImportExportController(IHostingEnvironment hostingEnvironment){ _hostingEnvironment = hostingEnvironment;} } ExcelPackage 在 OfficeOpenXml 命名空间中可⽤的类将⽤于读写xlsx。定义名为“Export”的新Web api操作⽅法，该⽅法返回⽣成的xlsx⽂件...
FileInfo file=newFileInfo(Path.Combine(sWebRootFolder, sFileName));if(file.Exists) { file.Delete(); file=newFileInfo(Path.Combine(sWebRootFolder, sFileName)); }using(ExcelPackage package =newExcelPackage(file)) {//add a new worksheet to the empty workbookExcelWorksheet worksheet = package...
4 read Excel文件 privatevoidbutton2_Click(objectsender, EventArgs e) {stringpfilePath =""; OpenFileDialog ofd=newOpenFileDialog(); ofd.Filter="*.xls|*.xlsx";if(ofd.ShowDialog() ==System.Windows.Forms.DialogResult.OK) { pfilePath=ofd.FileName; ...
Console.Read(); 查询结果: 那如何转成相应的实体集合呢? classProgram {staticvoidMain(string[] args) {varexcelfile =newExcelQueryFactory("1.xls");//用另一种方法取得实体数据集vartsheet = excelfile.Worksheet<Person>(0);varquery =frompintsheetwherep.Age >30selectp;foreach(variteminquery) ...
寻找使用ExcelDataReader和Epplus访问受密码保护的excel文件的方法,找不到合适的答案。如果使用ExcelDataReader,我的代码如下所示 excelStream = File.Open(excelFilePath, FileMode.Open, FileAccess.ReadExcelReaderFact 浏览11提问于2017-07-08得票数8
ExcelPackage excl = new ExcelPackage(fileInfo ); foreach (ExcelWorksheet sht in excl.Workbook.Worksheets) { ... } Above code works only xlsx and xlsm format file but not works for xls format. Can anyone help me to use the same EPPlus library to read data from XLS format excel fi...