Epplus Open Excel File From Stream

In this article, we'll cover creating an Excel spreadsheet in C# using a third-party library called EPPlus. The data can be read from an Excel sheet or from the active Excel sheet. cs in epplus The name of the Excel file to be createdDrawings>drawing1. I have been stuck on this for days and despite all of the help out there, none of these solutions have been working for me. 參考元件 EPPlus. 5 for Office to open a spreadsheet document for read-only access programmatically. If false create a file in the temp dir. When I open the exported excel file (on client machine) and do a "SaveAs" operation and save it using the same Microsoft Office Excel Worksheet format, and then try to Import this newly saved excel file, again the application runs successfully without an exception. org/packages/EPPlus/. You can verify that by unzipping the file before opening it in Excel into a directory (several files and folders) open the file in Excel and save it unzipping the new (larger) file. I thought we can use memorystream in some way to generate the excel directly. Read and Import Excel File into DataSet In the previous examples we used Microsoft Excel 12. Gracias por ur respuesta. NET的常见需求,开源社区、市场上,都提供了不少各式各样的Excel操作相关包。本文,我将使用NPOI、EPPlus、OpenXML、Aspose. You could copy the xml node of the "extLst" which contains the custom formatting from one worksheet to another. I know it's clear enough this issue but when i customer click on Export Product to Excel(Selected) without select a product on product's grid the exception it's being throw "Could not load file or assembly 'EPPlus, Version=3. GitHub makes it easy to scale back on context switching. 遇到了需要读表格的需求,因为之前操作读取csv文件比较熟悉,本来也想把表格转成csv格式读取,但是实际操作过程中发现,表格中的内容是有逗号的,一整段文本里都有没有任何规律的逗号,而读csv文件格子间是用逗号分隔的,所以用这个方法会把一个格子里有逗号的文本分成几个部分,这不是我. Holas, , eh revisado tu post, y necesito que al hacer clic en un boton, me exporte a excel, en el controlador eh puesto de esta manera, pero sale error, no se si sea la manera correcta, cabe mencionar que instale la libbreria. Creating an Excel Application from VB. This API has been very useful for me. CSV files can easily be read and written by many programs, including Microsoft Excel. Working with Excel Worksheet A Workbook contains a collection of worksheets where the actual contents resides and IWorksheet instance represents a worksheet. C# - Downloading Excel file after creating using EPPlus Stackoverflow. Create advanced Excel spreadsheets using. In this article we will read excel files using Pandas. NET library that reads and writes Excel 2007/2010 or higher files using the Open Office Xml format. With OpenXML you are simply constructing an XML structure which represents an Excel file. Edit existing Excel file C# npoi. (Exception from HRESULT: 0x8003001D (STG_E_WRITEFAULT))" Code is: MemoryStream stream = new MemoryStream(); using (ExcelPackage package = new ExcelPackage(stream)) { } Has anyone else seen this? c# excel epplus share|improve this question edited Jul 23 '15 at 14:05 Loofer 3,85043276 asked Apr 21 '11 at 0:20 dan 2,32473252 1 It might of been an. A l'aide d'EPplus, je dois générer des fichiers Excel portant un nom, ainsi qu'un prénom, que je récupère en base de données, tout est stocké dans une liste sur mon application. It works for all Excel formats. GitHub makes it easy to scale back on context switching. On Friday, Doug Finke tweeted about an Excel module: Intriguing! I hadn't heard of EPPlus. Most of the time I develop reports/document/etc… with Excel, I like to start with a formatted template. We gave the public key to the remote people and installed the private key file on the server, which is a password protect P12. Please guide. Read(buffer, 0, buffer. Diagnostics. Read Excel column names We import the pandas module, including ExcelFile. When to Open From a Stream. Through the automation from C# we can achieve creating a new workbook, adding data to a workbook, creating charts etc. I using EPPlus to fill data to excel file and after that client can download, this is OK. I can say that when working with EPPlus i haven't had to use an ExcelService and the only thing in EPPlus that would return a stream is something that wrote out tree resulting file. But when I run and download this file and open. Finally, select OK, Microsoft Visual Studio creates your project and displays following Form1. For several reasons I can't save the file to disk, and there is no reason to do so either. NET, we always look for third-party libraries or component. And download the excel file. I am only interested in Excel and Word files so I did not Investigate NetOffice and LinqToExcel_x64 EPPlus is good for xlsx files. Sin embargo, después de ejecutar la function. DeleteOnClose. " It's recommended you update the definitions in your antivirus software and run a complete scan of the affected machine(s). 兼容测试的机型都是真机,会连接实验室的WiFi,如果不是安卓原生登录控件可能会存在登录失败的问题,建议您最好可以跳过登录步骤,否则容易登录不进去。. net op a excel file from a stream? I have a web app and I'm using the fileupload control everything is working fine. Please refer to links below for how to r ead excel with EPPlus:. Start by creating an Excel file without the feature that you want. Please feel free to fork and submit pull requests to the develop branch. Unfortunately, you’ll have to adapt the script to your needs. EPPlus no genera files CSV, solo XLSX. 30追記:グラフも書式も維持したまま xlsx 形式へ変換する方法を書きました。 → xls → xlsx 変換(2) 今回も EPPlus の使い方ではありません(タイトルに偽りあり)。. I suggest you use Microsoft. 遇到了需要读表格的需求,因为之前操作读取csv文件比较熟悉,本来也想把表格转成csv格式读取,但是实际操作过程中发现,表格中的内容是有逗号的,一整段文本里都有没有任何规律的逗号,而读csv文件格子间是用逗号分隔的,所以用这个方法会把一个格子里有逗号的文本分成几个部分,这不是我. cs in epplus The name of the Excel file to be created /// Open the file path received in Excel. I'm working on Mvc web app, I want to create new excel sheet with two drop down lists filled with data from database. xls file extension. A simple form with a data grid and a panel (to add buttons dynamically for sheets), the data grid has the AllowDrop property set to true so that a sheet can be dragged and dropped onto the window rather than just selecting it from a file upload dialog box. net core中导出Excel,但是博主发现在2月19号有老外已针对. Net Windows Forms. 有一次工作中我的目的就是读取Excel到内存中,整理成指定格式 整理后再导出到Excel。 因为我要处理的每个Excel表格文件很大。一个表格多个sheet,每个sheet-一千到上W行不等。列数超过300列。. Read excel file content. NET application to stream (download) an Excel file directly to ASP. java - Ms Excel 2016 file not generating using JSP. This post shows how to import and export. Here we are updating cell B4. 项目中需要用到批量导入和导出于是进行了一点研究,. Each value is a field (or column in a spreadsheet), and each line is a record (or row in a spreadsheet). EPPlus is a. SpreadsheetLight is an open source Open XML spreadsheet library for. GetExtension (file). Extract the files and add EPPlus. As the name suggestions, a CSV file is simply a plain text file that contains one or more values per line, separated by commas. Contribute to JanKallman/EPPlus development by creating an account on GitHub. NETアプリケーションでExcelを扱う機会が何度かあり、EPPlusというライブラリを使っていたので基本的な部分だけでもまとめてみます。. I also installed it on my development machine. 今回も EPPlus の使い方ではありません(タイトルに偽りあり)。 EPPlus は、 Office 2003 までの binary 形式のファイルが開けません。 しかし、未だに xls 形式のファイルは届きますし、xsl 形式のファイルを配布する自治体もあります。. No problems in the development machine. NET library, which reads and writes Excel 2007/2010 or higher files, using Open Office XML format. POI是Apache的一个Java开源项目,NPOI是POI在. The following code shows how to create and apply cell style. It doesn't seem to work with the ADO. Insérer du text dans EPPLUS RichText. Take a Gridview, render it to HTML, then send that to the client with an Excel MIME type and/or a. NET application to stream (download) an Excel file directly to ASP. Epplus busca datos con pagination y visualiza más ¿Generar una tabla HTML a partir de un file Excel usando EPPlus? epplus: actualice una tabla de Excel incluida en una plantilla ¿Cómo puedo configurar imágenes mediante progtwigción para mover y dimensionar con células? ¿Cómo formatear numbers decimales como porcentaje en excel usando. This Codeplex project aims to correct the. MS told me they would get back on Monday or Today, but I have not heard anything yet. Epplus - Send excel email attachment c# - Stack Overflow. You can read and write data from your spreadsheet in a few different ways. Create advanced Excel spreadsheets using. Your question is slightly ambiguous. I have been searching the net for solutions on how to to open excel 2007 password protected files without using the interop classes. It supports. The adoption of XML as the native file format for Excel 2007 has opened up a whole host of new possibilities. If you are reporting an issue it is really useful if you can supply an example Excel file as this makes debugging much easier and without it we may not be able to resolve any problems. Read/Write excel file. POI is an open source project which can help you read/write xls, doc, ppt files. 我正在使用EPPlus从excel到datable读取数据。 After reading an excel sheet with 10 rows of record, I modified the excel sheet by removing existing data and kept data for only one row. Close() pck. C# Excel Tutorial - #1 - Open and Read Excel Files Quick guide how to open and read excel file through C# application you are making. NET data provider, extract data and then display the data in a GridView. Now EPPlus has released beta package which supports. NET library that reads and writes Excel files using the Open Office XML format (*. 产生与EPPlus Excel文件失败(Generating an excel file with EPPlus is failing) - IT屋-程序员软件开发技术分享社区. c#利用EPPlus读取excel实例。 简介:Epplus是一个使用Open Office XML(Xlsx)文件格式,能读写Excel 2007/2010文件的开源组件 功效:支持对excel文档的汇入汇出,图表(excel自带的图表. NET for Visual Studio 2012 This site uses cookies for analytics, personalized content and ads. EPPlus is a. 运行效果图如下: Excel 表的读写操作大致就是这样的。但是我不建议,大家直接读取 Excel 表,因为 Excel 表 包含太多的格式信息,最好是将 Excel 表另存为纯文本的 CSV 文件再去读取,关于 CSV 文件的读取,网上有一大堆,有时间我自己也写一篇。. I’ve used this in many projects, and have found it invaluable when the requirement to either read or write Excel files crops up. Debido a que mi proyecto se completó, quiero editar solo algunos códigos de epplus. xlsx files, eliminating the problems associated with adding a. XLSM Excel file format. This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3. EPPlus has no dependencies other than. In this section. xls file extension. If you have an application, such as Microsoft SharePoint Foundation 2010, that works with documents by using stream input/output, and you want to use the Open XML SDK 2. NET, without the need of interop. EPPlus Excel addresses are not zero based: The first column is column 1! Also, before writing any loops, you might want to check out the LoadFromXXX methods. dataframe的to_excel之后,excel中保存的数字是文本形式的(右上角有绿色三角形的) 要想转换为数字,得在excel中操作 如何使得python在写入excel的时候就是数字形式的呢?. You can create new Open XML spreadsheets, or work with existing Open XML spreadsheets that are compatible with Microsoft Excel 2007/2010/2013 and LibreOffice Calc. i am using EPPlus. This fantastic, easy to use (and free) library enables the use of Excel in ASP. Epplus read excel keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. but i want to open it without saving. How to set xlsx cell width with EPPlus in C#. Make sure to delete the 2 other sheets below and put some value into the A1 cell, say 100. EPPlus has no dependencies other than. Interop and Open XML library. This short article shows how to use EPPlus library to import and export the Excel 2007+ file in ASP. Hide and unhide worksheets. 1 in an UWP project. Dispose just before the return since package is wrapped in a using statement. J'utilise EPPLUS pour écrire sur le file excel, et j'utilise le multi-style pour certaines cellules, le problème est que je souhaite insert du text dans un location spécifique dans ces cellules. net,xlsx,epplus,sharpziplib. Excel on the server at work has a nasty tendency to start in safe mode (or at least ask if it should start in safe mode), making my Open-And-Shut macro fail. com/public/mz47/ecb. net core刚出世时还未有对于. Kapitel 1: Erste Schritte mit Epplus Bemerkungen EPPlus ist eine. Pero puede sugerir cualquiera que sea fácil de leer y procesar el Excel. To open file create instance of FileStream class with FileMode and FileAccess enumerations as parameters. HEADER SECTOR 0 SECTOR 1 SECTOR 2 SECTOR 3 SECTOR 4 SECTOR 5 SECTOR 6 ⋮ The SecID chain for each stream is built up from the sector allocation table ( 5. net core中Excel的导出,但是见过园中有热心园友分享并制作了. Using EPPlus with a MemoryStream I faced with the same issue when tried to open existing excel file and spent couple days with it. NET library that reads and writes Excel files using the Office Open XML format (xlsx). FileStream Open File [C#] This example shows how to open files for reading or writing, how to load and save files using FileStream in C#. Check the below console application sample code that accomplish that task. Mini serie de tutoriales en donde se muestra ejemplos de programación contra Excel, con las librerías Interop y EPPlus en C#. Do you mean "without opening it"? That can't be done. In this section. in cell content of an Excel file using OLEDB. Open and read Excel file in C# and VB. One was to generate some documentation for business rules so we can have it up to date and share with our users at all times. As mentioned in the comments, EPPlus does not support. GetExtension (file). Contribute to JanKallman/EPPlus development by creating an account on GitHub. NET project that uses. 5 to work with one of the documents, this is designed to be easy to do. NET Core simply. 运行效果图如下: Excel 表的读写操作大致就是这样的。但是我不建议,大家直接读取 Excel 表,因为 Excel 表 包含太多的格式信息,最好是将 Excel 表另存为纯文本的 CSV 文件再去读取,关于 CSV 文件的读取,网上有一大堆,有时间我自己也写一篇。. Excel to automate Excel. An archive of the CodePlex open source hosting site. You can turn uploaded files into a byte array without having it as a file first, but in my example I'm opening an existing file. So to read stream data of excel file Microsoft have used ExcelPackage (EPPlus ), we can manipulate the file using this package (Create excel,create new worksheet , pivot table , design ,formatting. cs in epplus The name of the Excel file to be created /// Open the file path received in Excel. Create Excel 2007/2010 spreadsheets with C# and EPPlus EPPlus is a really good library to help you generate Excel spreadsheets together with C#! I had by the time I stumbled upon the EPPlus library tried quite a few different third party libraries. csv y Excel lo abrirá, generalmente con una advertencia. zip and have a look around. xslx File from server using EPPlus and MVC - stream Response All you need to do is reset the stream position. Excel will eventually open the file and it looks perfect, but I really wanted to eliminate this prompt. I am trying to do it using EPPlus library but it is accepting only. Now for the first time we can create native Excel files on the server using standard tools. Example //the path of the file string filePath = "C:\\ExcelDemo. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created. If you are reporting an issue it is really useful if you can supply an example Excel file as this makes debugging much easier and without it we may not be able to resolve any problems. I need a way to read a Excel file from a stream. Creating a Chart The IChartShape interface represents the chart in a worksheet. NET: Concept. EPPlus is a. In C# without using Excel Object we can insert , edit , delete , select etc. 2 The NuGet Team does not provide support for this client. 之前使用的是npoi,但是导出数据行数多就报内存溢出。 最近看到epplus可以用来导出excel,就自己测了下两者导出上的差异。 npio官网地址:http:npoi. The method is free to return fewer bytes than requested even if the end of the file stream has not been reached. Many people has asked me that how we can read the contents of an excel file using EPPlus. NET Framework and. But I can't open excel with the stream that is rendered from. MapPath("ExcelDemo. This is the code that I have in my ExportDocument. It only supports the newer. I was using the file picker control (Windows. Thanks for watching. 2079) only and only the sample project. It extracts away the complexity of dealing with the individual XML components making it real easy to create sophisticated spreadsheets on the server. Finally, select OK, Microsoft Visual Studio creates your project and displays following Form1. I am trying to do it using EPPlus library but it is accepting only. Stackoverflow. I thought we can use memorystream in some way to generate the excel directly. Create a spreadsheet document by providing a file name (Open XML SDK) 11/01/2017; 5 minutes to read +1; In this article. It is free and available in epplus. Open the drawing1. How to download. You can verify that by unzipping the file before opening it in Excel into a directory (several files and folders) open the file in Excel and save it unzipping the new (larger) file. Start(fileInfo);to open my package after saving it to a file. This project has been started in June 2001 and is still in progress. Read and Import Excel File into DataSet In the previous examples we used Microsoft Excel 12. In addition from a security point of view, since data is in binary format and not in XML,. It is an open source library and very easy to use for developers. You have to rewind memory stream before you can read something (after write operation file pointer is that its end): ms. EPPLus generates only the necessary minimum of XML for the Excel program to read it. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created. Hướng dẫn. FileOpenPicker) to choose my Excel file off the desktop and kept getting 0 worksheets in my ExcelPackage object. xlsx) in ASP. net, puede leer y escribir en archivos Excel, crear gráficos, imágenes, formas y mucho más. NET Framework written in C#, and is released under the MIT License. Add an Excel Destination to the Data Flow tab. EPPlus is a. I suggest you use Microsoft. Package object was closed and disposed, so cannot carry out operations on this object or any stream opened on a part of this package. Is it possible to open excel without having to save the file to a location? I would like the user to decide whether or not to save the file. Thanks for watching. Cells四个市面上常见的库,各完成一个导出Excel示例。. Export xlsx in ASP. How to read excel file using EPPlus Core (. You can do it read only. InputStream. Beyond setting cell values, EPPLus also allows you to change the appearance of the sheet. 3 on how to calculate the file offset of a sector from its SecID. EPPlus has no dependencies other than. EPPlus is a. xls file generated with Approach 2 & 3, you will get warning because of format difference. There is another way to do this in VBA using commands like Input and Open , but I think the way shown here is much easier to remember and use. This API has been very useful for me. com I have a method that creates an excel file and sends it as an email's attachment. For example, you can use it to a. Read(fileBytes, 0, Convert. I am creating excel and filling values into it. Export xlsx in ASP. Read/Edit Excel 2007 File Contents using EPPlus In my previous articles related to EPPlus I have shown you that how you can generate Basic and Advance reports using EPPlus. epplus documentation: Appending data. CSV files can easily be read and written by many programs, including Microsoft Excel. NET-Bibliothek, die Excel 2007/2010/2013-Dateien im Open Office-XML-Format (xlsx) liest und schreibt. 在项目中我们常常需要将数据库中的数据导出成Excel文件. Here is the code that I am using to open the file. 对于项目的一小部分,我需要从存储在客户端的Sharepoint站点中的Excel文件中读取数据。 我的客户端给了我一个访问该文件的链接。实际上我可以手动访问它,但我无法以编程方式访问它。我之前从未使用过Sharepoint。 我在这篇文章中尝试使用Excel Interop 。. 2 Console Application to create an Excel file using EPPlus. xls file extension. NET MemoryStream with EPPlus Published 21/07/2016 Today I needed to dynamically-generate an Excel file (using the awesome EPPlus ), without saving it as a physical file first. NET The following sections you can find how to open and edit an Excel worksheet through VB. Create advanced Excel spreadsheets using. EPPlus is a. How do i convert epplus workbook type to excel interop's workbook type so that i can do excel processing? Of course the easier way would be just load excel interop's workbook from memorystream, but i do not know how to do it. net-mvc,excel,epplus. With OpenXML you are simply constructing an XML structure which represents an Excel file. NET C# and you need to open, edit or otherwise access a Microsoft Word DOC or DOCX file, you can easily do that using the Microso A brief guide explaining how to use Interop. EPPlusはOpen Office Xml形式(xlsx)を使用してExcel 2007/2010ファイルを読み書きする. Working with Cell or Range Formatting. Create a copy (with the original file extention) and note the location. net core中Excel的导出,但是见过园中有热心园友分享并制作了. EPPlus is a. Now add dll called EPPLUS from NUGET which is used for reading and writing files. NETライブラリです。GNUライブラリ一般公衆利用許諾(LGPL)に基づいてライセンスされています。 COM(Microsoft. Create advanced Excel spreadsheets using. 运行效果图如下: Excel 表的读写操作大致就是这样的。但是我不建议,大家直接读取 Excel 表,因为 Excel 表 包含太多的格式信息,最好是将 Excel 表另存为纯文本的 CSV 文件再去读取,关于 CSV 文件的读取,网上有一大堆,有时间我自己也写一篇。. This topic shows how to use the classes in the Open XML SDK 2. No estoy seguro de si este es el lugar correcto, pero eche un vistazo a ClosedXML. CSV file, and then close it self. However, there is slightly more work involved. Load method to read from an Excel file or stream in C# and VB. I ran in to a similar issue when trying to use EPPlus v4. Infragistics has an excel component that can read an excel file from a stream. epplus documentation: Getting started with epplus. com/highroom/p/49976f965557d9b90403f9910ee97838. Hide and unhide worksheets. The console application uses the EPPlus package in the Repository to generate the Byte Stream and output SQL Server data into a MultiSheet Excel File. Open and Edit Cells in an Excel file in VB. As the name suggestions, a CSV file is simply a plain text file that contains one or more values per line, separated by commas. It is possible using the EPPLUS. Here we are using OleDbConnection , OleDbDataAdapter , DataSet for doing these operations in an Excel file. com添加npoi、epplus类库dll使用的是nuget添加。. I'm easily distracted, and Doug only gave us a taste, so time to write a module! [Edit: Doug has expanded his solution to a full module with a number of bells and. I need to close the whole application to get the excel file unlocked. NET的常见需求,开源社区、市场上,都提供了不少各式各样的Excel操作相关包。本文,我将使用NPOI、EPPlus、OpenXML、Aspose. Optionally close the blank workbook. 30追記:グラフも書式も維持したまま xlsx 形式へ変換する方法を書きました。 → xls → xlsx 変換(2) 今回も EPPlus の使い方ではありません(タイトルに偽りあり)。. importing excel file into datagridview How to get data from excel sheet to datagridview in c# importing RowName and ColumnName from an excelfile posts Import Excel file to DataGridView‎ Saving. You have to pass both CSV and the EXCEL file path where it should be saved. EPPlus is a. 在项目中我们常常需要将数据库中的数据导出成Excel文件. Last week, I worked on a small PowerShell script to read a custom excel file sheet with a lot of information in different columns and rows. I have written a VBA (Excel macro) to open a workbook, and save it as a semicolon. The crux to using EPPlus (after referencing the lib) is to enclose its code within a using clause like so:. Right Click on the Excel Destination and select Edit. xls file, you'll need to use a different library - for example, NPOI [ ^ ]. EPPlus is a. You can read and write data from your spreadsheet in a few different ways. net library. net下的移植版本,很多. You can duplicate its functionality with File. For sending this excel file as attachment in email I use the following MIME type and it works fine with EPPlus generated file and opens properly in ms-outlook mail client preview. Here you can download the latest version of Excel 2007 file format (XLSX) ASP. This post talks about how to import or export excel files (xls or xlsx) using NPOI package with ASP. It is a bit annoyance. How to set xlsx cell width with EPPlus in C#. EPPlus is a. xlsx"); //create a fileinfo object of an excel file on the disk FileInfo file = new FileInfo(filePath); //create a new Excel package from the file using (ExcelPackage excelPackage = new ExcelPackage(file. The console application uses the EPPlus package in the Repository to generate the Byte Stream and output SQL Server data into a MultiSheet Excel File. NET Boilerplate - A starting point for new modern ASP. Export xlsx in ASP. 1 we had to remove using block from the BuildResultFile function. This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3. 1、 Excel文件加密实现, 本文以 Microsoft Office 2007 为案例进行说明。 2、Microsoft Office 2007 Office 基于 Open XML file(又称 OOXML or OpenXML or MOX ,是一种以 XML 为基础并以 ZIP格式压缩 的电子文件规范,支持 文件、表格、备忘录、幻灯片 等文件格式). If you are reporting an issue it is really useful if you can supply an example Excel file as this makes debugging much easier and without it we may not be able to resolve any problems. How can I in vb. NET C# and you need to open, edit or otherwise access a Microsoft Word DOC or DOCX file, you can easily do that using the Microso A brief guide explaining how to use Interop. the below classes is responsible to read the data from stream. The requirements have changed to have it open automatically in excel with the dynamic query results from the datareader. single click). Is it possible to open a file from a MemoryStream? What is really important is that i do not want to save the file to disk first. However, there is slightly more work involved. NET) with no headache or need to import another Excel file in your JS client?. It is free and available in epplus. I'm trying to export XLSX file in ASP. In this tutorial we use OpenXML to be independent from having Excel driver. Is it possible to open, ID #3881308. However I thought this might be helpful to understand how this work. Note, just like when we open a file to read, SaveAs does NOT take a file name as a parameter, but a FileInfo object instead. If my understanding is correct, epplus is office open xml and not excel interop. 參考元件 EPPlus. C# - Downloading Excel file after creating using EPPlus Stackoverflow. Like in the case of reading, the Open XML SDK provides two approaches for writing Open XML files: 1. If you're working with ASP. For projects that support PackageReference, copy this XML node into the project file to reference the package. net core中导出Excel,但是博主发现在2月19号有老外已针对. For Word Files and legacy xls files I use NPOI.