Epplus Save Excel File

You can do it read only. Utilizar EPPlus, es tan sencillo como abrir el gestor de paquetes Nuget, buscar en línea la librería EPPlus e instalarla tanto para el proyecto principal - que no tendrá ningún problema en. NET MVC ===== working process : Step 1: create database. Read columns of datatable : var arrayNames = (from DataColumn x in ds. NET Maker will automatically check the database to see if the schema has been altered. Ps4 Dlc Fake Pkg. Excel versions 97 through 2016 can be targeted with a sin. We can create excel file of 2007/2010 configuration without even Excel application. EPPlus - Read the Excel table Using EPPlus, I want to read an excel table, then store all the contents from each column into its corresponding List. ToArray();. I will shorten the code to be easier to review. It is currently working but it seems like I have a lot duplicate code that could most likely be written a lot shorter. SaveAs("Output. Use Office Interop. It also warns users about losing features when they save the file. If I open the file in LibreOffice, make a change, and save the file, our internal tool throws an exception (see below). SaveToFile("result. How to save Excel chart as image, copy or export it to Word & PowerPoint by Alexander Frolov | updated on June 27, 2018 40 Comments In this article you will learn how to save your Excel chart as an image (. file where you want to save. csv) from the Save as type drop-down. But the problem is when i convert this file to excel, Text is show in one line not in line break. Creating Universal Excel Sheets Using c# and EPPLUS. I will shorten the code to be easier to review. Open a workbook. Using XL 2007 I have a rather large file: 93. This fantastic, easy to use (and free) library enables the use of Excel in ASP. (Update 2: leitura e escrita de arquivo excel já existente - clique aqui)Oilá senhores! Nosso novo post é sobre uma opção para criarmos, lermos ou escrevermos em arquivos excel no C#: utilizando a biblioteca EPPlus. If you are looking to use a library called EPPlus for Reading and Writing of Excel file, kindly visit the post here for more details. This post was made using Windows Server 2012 R2, Powershell version 4 and the DotNet4 version of the EPPlus library. Utworzenie pliku Excel bez żadnych udziwnień jest bardzo łatwe. XLSX Template with EPPlus and Web API, save as XLSX or PDF. Excel VBA checking the condition and if satisfied what is the value of nrows of excel file in python Get value after end of last / in excel using formu Word VBA grammar get Suggestions list; Excel not reading VBA formula; I have 4 columns in an MS Excel file, I want to se Apache POI :Reading xlsx no rows, reading xls all. How to download. net-mvc,excel,epplus. 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. The UI follows the physical process. EPPlus is a. NET library that reads and writes Excel files using the Open Office XML format (*. "Create advanced Excel 2007/2010 spreadsheets on the server" EPPlus 3. MacでExcelを操作したいと思い、ネットのサンプルを実行しました。 作業フォルダ(アセンブリフォルダ)には、Excelファイルが作成出来たのですが、 書出しパスをデスクトップにすると、『System. This is a common task for ASP. This way the user will then get the choice to save the file in thier own filesystem. For this script we’re assuming that we always want to overwrite the existing file. This excel file is linked to other files including MS Access database. Behind the scenes this is reflecting over the properties of the type provided and pulling out any public members to become columns in the resulting Excel output. IMHO their design decision tells a lot about why some choose not to use ZipArchive. Comments: Yes, EPPlus could not handle encoded url's. Use Office Interop. Include OfficeOpenXml and OfficeOpenXml. Approach 2: Using CSV/TSV content and save it to a file with a. For projects that support PackageReference, copy this XML node into the project file to reference the package. And then we save the newly generated file. NOTE: There are a few rules for Excel names. Creating report files in Excel format is a feature that many users need out of their software applications. net library that reads and writes Excel 2007/2010 files using the Open Office Xml format (xlsx) is EPPlus. Однако, когда я использую метод LoadFromCollection, полученный лист excel отображает только следующую информацию. EPPlus is a. NET project that uses. Every now and then, when I try opening an Excel file, I get a message saying that "Excel cannot open the file 'file. It could also be a good idea to add some handling for the fact that the file could already exist, but this I leave to you. How to download. Getting started with epplus; Append data to existing document; Columns and Rows; Creating charts; Creating formulas and calculate ranges; Filling the document with data; Formatting values; Importing data from existing file; Merge Cells; Pivot Table; Rich Text in cells; Saving the Excel document; Save to disk; Save to disk with SaveFileDialog; Send to the Browser. I have a excel spreadsheet template created in excel. The ExcelTextFormat class has more conditions, based on that it reads the CSV file. Excel's Compatibility Checker can help you identify potential issues. Now for the first time we can create native Excel files on the server using standard tools. dll(测试环境Win7+V2010旗舰) 3 添加using引用. People suggested I use EPPlus, and I was NOT disappointed. Hope this helps. Head back to Excel and choose File > Save As. ContentLength)); Now try to run the app by putting a breakpoint and see if all is working until now. 添加数据 Epplus中给单元格赋值非常简单,两种方法:(ps:Epplus的所有行列数都是以1开始的). Open Visual Studio (create a console Application). SpreadsheetLight is an open source Open XML spreadsheet library for. net library that reads and writes Excel 2007/2010 files using the Open Office Xml format (xlsx). # re: Simple Excel Export with EPPlus You can generate excel reports both simple and with features you want to add by using Aspose. The excel file being created had 5 sheets with around 400,000 rows each and ClosedXML could not handle this large amount of data. How to export DataGridView to excel file The following C# program demonstrate how to export data from Datagridview to an Excel file. This post shows how to import and export. It is so good when you want to read and write Excel files (2007/2010), it makes life easy in a fast paced development requirement. When I save the Excel file to a text file in Unicode format, the text which contains the double quote is saved as three double quotes, for example """text""". They often take one of two incorrect approaches. Although Excel processes XML it gives a warning saying contents & extension of the file are different. XLSB - but you can't use XLSX for VBA macros). The whole thing needed to be created in-memory, then sent to the user, who would be presented with the file open/save dialog in their browser. LoadFromFile(info. 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. Finally we need to save the file, we do this by calling the SaveAs function on the package. You will need to only add the reference to "SautinSoft. 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. EPPlus is a. net library that reads and writes Excel 2007+ files using the Open Office Xml format (xlsx). NET Excel file manipulation allowing the programmer to read Excel files, write Excel files and edit Excel files from VB. dll in your project. string szFileName = @”E:\\PleaseGiveAName. While Excel does a GREAT job (as a User Interface), interacting with Excel files (both XML format and. EPPlusでExcelを取り扱う場合は、ExcelPackage を new するところから始めるわけですが、 FileInfo 以外にも Stream を指定することもできますし、パスワードが設定されている場合は、 パスワード文字列を指定することで 開くことが可能です。. The problem is that when I save the file through. It also warns users about losing features when they save the file. dll cell by cell so it's slow. IO is available. By continuing to browse this site, you agree to this use. file where you want to save. net library that reads and writes Excel 2007/2010 files using the Open Office Xml format (xlsx). Import excel test to HP Quality Center using macro Excel compare two columns in different sheets retu Need VBA code to search multpile datas in a sheet Excel 2007 VBA - Use VLOOKUP to find value in diff Create a New Worksheet and Copying Rows from Origi Text to excel file input prompt; Python Excel Run Macro to xlsx file. The file has a first spreadsheet that contains data that is used for populating pivot tables in the following sheets. NET and COM: ASP, C++, PHP, VB6, VBS, and PowerShell. Overview Creating report files in Excel format is a feature that many users need out of their software applications. ExcelLibrary seems to still only work for the older Excel format (. txt) or read online for free. 1) Create Excel Pakage object for saving file. we'll cover creating an Excel spreadsheet in C# using a third-party library called EPPlus. For projects that support PackageReference, copy this XML node into the project file to reference the package. EPPlusで、Excelファイルの新規作成および、既存ファイルの修正をする方法を記載します。 新規のファイルにブックを作成し保存する [crayon-5d5b00ea0e8e9510572920/] 既存のファイルのブックを修正する [crayon-5d5b00ea0e8fe411785567/]. NET library, which reads and writes Excel 2007/2010 or higher files, using Open Office XML format. Recientemente actualicé mi aplicación. NET library that reads and writes Excel 2007/2010 or higher files using the Open Office Xml format. It was implemented as part of CI that would save a file to a file system. It is extremely easy to use even a novice user can use it and supports both Windows as well as Mac operating system It is extremely easy to use even a novice user can use it and supports both Windows as well as Mac operating system. To install it via Nuget, type: the command: Install-Package EPPlus. Create advanced Excel 2007/2010 spreadsheets on the server. How to do that in C#, without Office on PC. How to save a simple tabular Excel file from C# using EPPlus Posted on September 7, 2016 by Jerome An application I wrote was exporting a couple of different sets of objects as CSV files, but the people using it wanted Excel files. I use EPPlus to export excel 2007 file. String] Date System. ToInt32(file. 49000001) be. Add-ins created with Excel-DNA can export high-performance user-defined functions and macros, and can be packed into a single file for easy distribution and installation. If you have any question or suggestion, please comment bellow. In previous articles we explained Touch Screen Keyboard, Image Slideshow, Display Password in PasswordBox, Create Timer and Now we will move on Read; Load; Import Excel File to DataGrid in WPF. EVERYDAY BE CODING: EPPlus Library Part-1. How to use1. How to do that in C#, without Office on PC. What is EPPlus? A library to manage Excel spreadsheets. 0 and MS Excel 2007 I'm just trying to do a simple thing: download an Excel file with a picture in it. Save(); } When the file generated is saved and opened, i got this error: "unreadable content", around "xl/styles. EPPlus 是使用Open Office XML格式(xlsx)读写Excel 2007 / 2010文件的. Today I needed to dynamically-generate an Excel file (using the awesome EPPlus), without saving it as a physical file first. I am using this batch file but the output is in txt format i have converted into xls format but all the Data is Populating in Column "A". xlsx " to " ERI_Cover_001. Quick tutorial about creating xlsx Excels with C# and the EPPlus nuget package. Feedback and Support This project is sponsored by E-iceblue. Excel's Compatibility Checker can help you identify potential issues. You can also use EPPlus, which works only for Excel 2007/2010 format files (. 0 check that too. Another problem is that, the Excel app will automatically be launched and ,then, the spreadsheet will be filled dynamically (you will actually see the sheet being filled as if it is animated). The C# code can then be used to re-generate that file. Only that way you can save your macro within the Excel file (there are other file types possible, e. The second example takes a single record from a form and saves it in a text file with distinct fields for each piece of data. 501 beta, when I try to save a. Currently GemBox. This post shows how to import and export. NET Library that makes it very easy to manipulate Excel programmatically. How to save Excel chart as image, copy or export it to Word & PowerPoint by Alexander Frolov | updated on June 27, 2018 40 Comments In this article you will learn how to save your Excel chart as an image (. This is just one example of how you can use SpreadJS JavaScript spreadsheets to add data to your Excel files and then export them back to Excel with simple. But the problem is when i convert this file to excel, Text is show in one line not in line break. PDF); 上記のコードで印刷出来るらしい 現在調査中 結果 epplusでは印刷出来なかった 【. When you save the supporting files such as bullets, graphics and background textures to the same web server, Excel maintains all the links as relative links. It is free and available in epplus. One disadvantage of EPPlus is lacking ability to work with old format XLS…. "Create advanced Excel 2007/2010 spreadsheets on the server" EPPlus 3. My string column with numeric style (Purchase Order No. Link to EPPlus nuget page: https://www. PDF); 上記のコードで印刷出来るらしい 現在調査中 結果 epplusでは印刷出来なかった 【. hi How to Reading and writing excel file in android? please help me. To export text files, execute the following steps. Copy with a deletion of the file. EPPlus is a. 1 下载Epplus最新版: http://epplus. Excel - but then you also need to have Excel installed on the computer where. Balajiprasad's useful codes Its all about important codings & concepts in web & window applications using microsoft technologies. An overview of the process involved is: Install the Open XML SDK with the tool. If you need to customize the same Excel workbook for each user, you're going to have to make a copy of the original Excel file, giving the copy a unique name. Overview Creating report files in Excel format is a feature that many users need out of their software applications. How to format an Excel file using C# When programming with Microsoft Office Excel, you can interact with the objects provided by the Excel object model. The Excel file being created had five sheets with around 400,000 rows each and ClosedXML could not handle this large amount of data. Excel、设置DCOM配置的相关安全访问权限、卸载WPS后安装老一点的Office版本(如Office2013),奇葩的还遇到过两台电脑EXCEL版本. Microsoft Office Excel 2007+ files can be 'Saved As' in several other formats besides the default XLSX format. I've written about EPPlus beforeand today's post actually stems from that one. Position = 0; You shouldn't write directly to the Response , it's not. NET , MVC , OAuth2 , Security , TopHeaderMenu , Web · 1 Comment This article demonstrates how to set up a Web API 2 excel file download using OAuth2 Implicit Flow. A fast way to export all of the charts in an Excel workbook as images is to save a copy of the workbook as a Web Page, as in doing so, Excel will create and export image files for you. XLSB files are saved in a binary format. My string column with numeric style (Purchase Order No. "Create advanced Excel 2007/2010 spreadsheets on the server" EPPlus 3. Epplus 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 下载 (转载)大数据量,海量数据 处理方法总结. EPPlusで、Excelファイルの新規作成および、既存ファイルの修正をする方法を記載します。 新規のファイルにブックを作成し保存する [crayon-5d5b00ea0e8e9510572920/] 既存のファイルのブックを修正する [crayon-5d5b00ea0e8fe411785567/]. /* Save workbook as a file */ oPackage:SaveAs(NEW System. net library. ColumnName). The above code will generate and save excel file in. If you need to customize the same Excel workbook for each user, you're going to have to make a copy of the original Excel file, giving the copy a unique name. You can programmatically create a worksheet, read worksheet, formatting cell etc. Name); //Save excel file to pdf file. Import excel test to HP Quality Center using macro Excel compare two columns in different sheets retu Need VBA code to search multpile datas in a sheet Excel 2007 VBA - Use VLOOKUP to find value in diff Create a New Worksheet and Copying Rows from Origi Text to excel file input prompt; Python Excel Run Macro to xlsx file. Read(fileBytes, 0, Convert. EPPlus is a. 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。. You can merge cells, give background color and can format the cell text in excel using EPPlus. Import excel test to HP Quality Center using macro Excel compare two columns in different sheets retu Need VBA code to search multpile datas in a sheet Excel 2007 VBA - Use VLOOKUP to find value in diff Create a New Worksheet and Copying Rows from Origi Text to excel file input prompt; Python Excel Run Macro to xlsx file. We can visit its Github page for more information. While Excel does a GREAT job (as a User Interface), interacting with Excel files (both XML format and. ExcelLibrary seems to still only work for the older Excel format (. This excel file is linked to other files including MS Access database. Note If the database contains a large number of tables/fields, this auto-synchronization feature may make reloading a project file slow. EPPlus – The best free C# library for creating Excel spreadsheets. thanks This site uses cookies for analytics, personalized content and ads. Now, for the first time, you can use standard tools to create native Excel files on the server. Net in less than 5 minutes. NET library that reads and writes Excel files. Als ik nu een lange string van al die data maak en die in één keer doorgeef aan excel op dezelfde manier als jij in deze blog VBA code in excel stopt, gaat het misschien een heel stuk sneller. I have a excel spreadsheet template created in excel. //Load excel file ; workbook. On the File tab, click Save As. This library can be installed from NuGet as a package. How to use1. More than 3 years have passed since last update. ToArray();. Open and Edit Cells in an Excel file in VB. NET Περιεχόμενο που παρέχεται από τη Microsoft For a Microsoft Visual Basic. C# - EXPORT DATATABLE TO NEW EXCEL XLSX - USE EPPLUS. This is a common task for ASP. However, now i want to save file after fill data above step to others folder name as " Download " and change name " ERI_Cover_Sheet_V1. Feedback and Support This project is sponsored by E-iceblue. They often take one of two incorrect approaches. I am using the EPPlus library to generate an excel file which I successfully save in a folder on the server. NET library that reads and writes Excel 2007/2010/2013 files using the Open Office Xml format (xlsx). Excel Import from Workbook files - Free download as PDF File (. NET Core library and helps reads and writes Excel files using the Office OpenXML format. Replace combine File. However, if the dataset is simple and not a lot of logic or re-iterations then I would just create a. UWP随笔(五)EPPLUS组件操作EXCEL 1、UWP处理EXCEL时,可能会出现安装过WPS后程序可能无法读取EXCEL,我之前试过网上提到的调整注册表COM注册值、安装不同版本的Microsoft. XLSB files differ from standard Open XML format (. Therefore, it has most of the advantages and disadvantages of the XLSX file type. EPPlus is a. Why we are using EPPlus?. NET library that reads and writes Excel 2007/2010 or higher files using the Open Office Xml format. Convert Excel files to HTML in C# and VB. Take a Gridview, render it to HTML, then send that to the client with an Excel MIME type and/or a. Reading an Excel 2007 (*. Pls help me out i am Downloading a File with a Save As Dialog in ASP. Install Microsoft Excel on your computer, if you don't already have it. This is the code that I have in my ExportDocument. EPPlus API works perfectly fine for any. Thanks for watching. The tool reverse engineers any Excel file into C# code. PDF); 上記のコードで印刷出来るらしい 現在調査中 結果 epplusでは印刷出来なかった 【. NET library. Excel versions 97 through 2016 can be targeted with a sin. It is currently working but it seems like I have a lot duplicate code that could most likely be written a lot shorter. Now, for the first time, you can use standard tools to create native Excel files on the server. How to use1. NET applications without the need to install the Access Database Engine (ACE) or having to mess about with unsupported Office Automation on the web server. Reading an Excel 2007 (*. That is the reason why you got message Package object was closed and disposed, so cannot carry out operations on this object or any stream opened on a part of this package. NET library. Однако, когда я использую метод LoadFromCollection, полученный лист excel отображает только следующую информацию. To make your own financial calculator in Excel, start a new file or sheet and label fields for Rate, Nper, PMT, PV, and Type, and add some sample values. using (ExcelPackage pck = new ExcelPackage(fileInfoNew,fileInfoTemplate)) { pck. net-mvc-5,epplus. For example, you can convert Excel file to a different spreadsheet format (XLSX, XLS, ODS, CSV, or HTML) or to PDF, XPS, and image formats. Although Excel processes XML it gives a warning saying contents & extension of the file are different. Spreadsheet allows you to save an Excel workbook or worksheet in HTML or MHTML format. ContentLength)); Now try to run the app by putting a breakpoint and see if all is working until now. EPPlus – The best free C# library for creating Excel spreadsheets. The above code will generate and save excel file in. It is based on Open XML. EPPlus is a. Net C# code. In this article we will develop an SSIS package that uses the EPPlus. It is free and available in epplus. You start with creating a SpreadsheetDocument which represents an Excel document. Export DataTable object to Excel file using vb. It contains a spreadsheet of cells arranged by a grid of rows and columns, as well as charts, macros, and formatting. Collections. I using EPPlus to fill data to excel file and after that client can download, this is OK. It is licensed under GNU. 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. EPPlus supports ranges, cell styling, charts, pictures, shapes, named ranges, autofilters and a lot of other stuff. Take a Gridview, render it to HTML, then send that to the client with an Excel MIME type and/or a. xlsm excel file format. Office Interop needs Excel driver to be installed on the machine which is using it. For projects that support PackageReference, copy this XML node into the project file to reference the package. Open an Excel file. Quick tutorial about creating xlsx Excels with C# and the EPPlus nuget package. Spreadsheet lacks an API support for direct exporting GridView and/or DataGrid controls to an Excel file. EPPlus is. Excel's Compatibility Checker can help you identify potential issues. While we're at it, let's wrap our code in a function that we can call where we'll enter the Excel file name and the location we want to drop the CSVs into:. 49000001) be. We've figured out how to get rid of the first warning using assoc and/or ftype but this solution is not very elegant let alone practical or scalable. XLSB files are saved in a binary format. Modify Excel file from ASP. If we want to do it using Open XML SDK without using EPPlus Library we can refer to the below article. xls"); In this article, we provided a solution on how to read excel file and write into excel file using ByteScout Spreadsheet SDK in c#. We also have two use cases where we need to generate Excel file on the server. using (ExcelPackage pck = new ExcelPackage(fileInfoNew,fileInfoTemplate)) { pck. ContentLength)); Now try to run the app by putting a breakpoint and see if all is working until now. EPPlus is an open source. NET Core what we covered today in this article. C# - EXPORT DATATABLE TO NEW EXCEL XLSX - USE EPPLUS. NET Maker will automatically check the database to see if the schema has been altered. SaveAs("Output. This post talks about how to import or export excel files (xls or xlsx) using NPOI package with ASP. Could you please give me one example. I have a excel spreadsheet template created in excel. NET Περιεχόμενο που παρέχεται από τη Microsoft For a Microsoft Visual Basic. I've written about EPPlus beforeand today's post actually stems from that one. 49000001) be. Copy with a deletion of the file. Our internal tool uses EPPlus to read the file and generate user profiles. In this blog post I will be discussing the steps involved in Excel Upload and Download (Export and Import of Excel Data) For SharePoint List Items with EPPlus in SharePoint 2013. EPPlus is. Copy an Excel worksheet into a new workbook file By Susan Harkins in Microsoft Office , in Software on April 26, 2009, 5:00 PM PST. "Cannot open the file because the file format or extension is invalid" opening Office files excel file not open because of Kaspersky antivirus what is the problem. 29 Mar 2019 ASP NET Generate MS Excel files programmatically with EPPlus How to to a XLSX Excel file and then send it to the user for the download! ASP NET MVC Export To Excel It has by default target file formats for Microsoft office The EPPlus is a NuGet package and can be installed from Manage NuGet. Excel - but then you also need to have Excel installed on the computer where. 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. EPPlus - Create advanced Excel spreadsheets. It woud be better to return the file as a byte array to the response in your controller action. I find HTML fine for creating simple reports or sometimes log files from C# applications, but these reports were churning out at around 50MB, which Internet. EPPlus is a. I have a excel spreadsheet template created in excel. EVERYDAY BE CODING: EPPlus Library Part-1. (It is interesting that the Microsoft Knowledge Base doesn't have any articles on recovering data from a corrupted Excel 2007 workbook. WPF - Export to excel using EPPlus Following code helpful to create a excel file from WPF Prerequesties:-EPPlus DLL Save as the byte array as excel byte. NET , MVC , OAuth2 , Security , TopHeaderMenu , Web · 1 Comment This article demonstrates how to set up a Web API 2 excel file download using OAuth2 Implicit Flow. The problem is that when I save the file through. EPPlus is an open source. I am using the EPPlus library to generate an excel file which I successfully save in a folder on the server. As a quick example, if your working in C# there is a good chance you already have the app data held in a DataTable. Then you just build your wrapper class using the excel interop library like you can find many examples for on the internet. I am trying to do it using EPPlus library but it is accepting only. Click on open and select the file from the computer that you want to save as a UTF-8 encoded file. This way the user will then get the choice to save the file in thier own filesystem. The excel file being created had 5 sheets with around 400,000 rows each and ClosedXML could not handle this large amount of data. Note the use of HtmlSaveOptions to set the worksheet options that are supported when saving an Excel file in HTML format. NET , you have to add the Microsoft Excel 12. EPPlus is a. It is based on Open XML. Open the new file with Excel, Excel warns the "We found a problem with some content". It reads and writes Excel files using the Office Open XML format (xlsx). EPPlus 是使用Open Office XML格式(xlsx)读写Excel 2007 / 2010文件的. This was very much basic while dealing with Excel in. Name); //Save excel file to pdf file. 49000001) be. The Excel file I wish to generate is extremly simple (only few rows of strings/int), I'm kinda in a rush for a project. The process of locking, will schedule the next pickup and display a link to download the Excel document. excel using EPPLUS. from your c# application. Getting data from database in DataTable format and then generating Excel sheet and formatting it using EPPlus is very easy in C# MVC. NET The following sections you can find how to open and edit an Excel worksheet through VB. Overview Creating report files in Excel format is a feature that many users need out of their software applications. Read(fileBytes, 0, Convert. EPPlus is a. EPPlusはOpen XMLの仕様を元にExcelのデータ操作を行う為の. NET MVC ===== working process : Step 1: create database.