, How to check if a canvas is empty or blank, Maintain div or panel scroll position after postback in asp.net update panel, Get total number of tables, views, stored procedures and functions count and names in sql server, JavaScript function to get date in mmddyyyy hhmmss ampm forma. Could entrained air be used to increase rocket efficiency, like a bypass fan? } SO has questions on the same error but none relate or solve my problem. Not the answer you're looking for? 2023 Excel to DataTable using EPPlus - excel locked for editing Ask Question Asked 10 years, 6 months ago Modified 2 years ago Viewed 115k times 36 I'm using the following code to convert an Excel to a datatable using EPPlus: The most obvious is to use the Cells property of the ExcelWorksheet class, shown on the Getting Started page. DataSet ds = new DataSet("Example-DotnetLearners"); You can read and write data from and to your spreadsheet in a few different ways. Follow the steps given below: First, include the EPPlus in your project. See sample 4, 5 and 28 in the sample project Sample-.NET Framework or Sample-.NET Framework. rowend = rowstart + dt.Rows.Count; In addition to passing in an optional mapping dictionary, I also check for any DisplayAttributes on each member. Is it OK to pray any five decades of the Rosary or do they have to be in the specific set of mysteries? Resolving instances with ASP.NET Core DI from within ConfigureServices, How to read AppSettings values from a .json file in ASP.NET Core. By using EPPlus.dll we will export the data to excel. dt.Columns.Add("ProductName", typeof(string)); ", Set the file name and get the output directory, Create the file using the FileInfo object, For deleting the files if they are created before 10 minutes, Filling values for all the columns and rows, as the CurrentUrl/file path, so that the download dialog will come for user, Error occurred while exporting the grid to excel", Last Visit: 31-Dec-99 18:00 Last Update: 4-Jun-23 8:43, First, include the EPPlus in your project. Version 5 supports .NET Framework from version 3.5 and .NET Core from version 2.0. rev2023.6.2.43474. ws.Cells[rowstart, colstart, rowend, colend].Style.Fill.PatternType = OfficeOpenXml.Style.ExcelFillStyle.Solid; I work onasp.net app I Can't export data to excel sheet with multiple tab (multi sheet) based on data exist on data table module field, Divide Output Excel File To Multi Tab based On Module. MS Excel. Excel program will save a more complete XML and whatever else it deems necessary. You can use this method in any .Net project, not only .Net Core MVC. From EPPlus 5.6 you can also create and modify custom table styles. In this scenario, it really comes down to using my ORM of preference (usually EF) and wanting to be able to pass that Excel data as a list of my domain objects. Next time, Ill show how a similar technique can be used for generating an Excel template for any type T and even including Excel data validation. var x = Extentions.ToList(workSheet); This site uses Akismet to reduce spam. What's the best way to read an Excel file into a DataGrid in WinUi 3? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. dt.Rows.Add(4, "Steave,\"Waugh", 110, 950); This tip describes how to convert the data table/grid into Excel sheet. And we can dynamically merge the heading of the sheet and can give the border for dynamic data. rather than "Gaudeamus igitur, *dum iuvenes* sumus!"? Contact via my Twitter (Karen Payne) or Facebook (Karen Payne) via so if I have two modules meaning I have two sheet . ExcelDataReader only gets numerical values. ws.Cells[rowstart, colstart, rowend, colend].Style.Border.Bottom.Style = (This will give a little bit better performance than reading/writing via the range): Since the Cells property implements the IEnumerable interface, you can use Linq to query data from a worksheet. int colstart = 2; See the ToDataTable method to explore the possibilities. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Connect and share knowledge within a single location that is structured and easy to search. Error CS1503 Argument 1: cannot convert from 'Request.CreateMandateDto' to 'Response.MandateListDto', Then mandate is highlighted in failedMandates.Add(mandate). Generic VB.NET function for loading ExcelFile to DataBase (EF6 CodeFirst) with Reflection and avoiding Linq-to-Entity Linq.Expressions (use Linq-to-Object IEnumerable), //www.vb-net.com/EPPlus-Office-Open-XML/index.htm. Load data into a spreadsheet. Then import these: VB. I use EPPlus, is really fast. } In the CreateExcelWorksheet(fieldsCount, folderList), we will write the code for creating and designing the worksheet and then adding the data into it. if (ds != null && ds.Tables.Count > 0) This makes it ideal for use as part of domain/utility projects or on machines without MS Office and such. Which comes first: CI/CD or microservices? int colend = colstart + dt.Columns.Count; Only parsing DateTime requires any true conversion as youll see below. OpenXML doesn't seem slow until you deal with 10,000+ rows and 700+ columns. What if the numbers and words I wrote on my check don't match? So I have written my code as shown below: The Excel Helper will read the excel sheet before its validated and passed to the DB. } In this article, we will talk about how you can convert excel to DataTable using the EPPlus package in the Asp.Net Core MVC application. From the Cells property (ExcelRange) you can access these methods to load data from various sources: LoadFromText and LoadFromTextAsync- Read a csv text file and load the data into a range on a worksheet. EPPLus generates only the necessary minimum of XML for the Excel program to read it. using System.Web.UI.WebControls; For more detailed examples, have a look at sample 4 & 5 the sample project Sample-.NET Framework or Sample-.NET Framework. ws.Cells[rowstart, colstart, rowend, colend].Value = dt.TableName; The delete method (see below) also has method signatures where you can choose to delete all data in the range. Response.End(); CreateExcelFile(); Then click on Add references. } Find centralized, trusted content and collaborate around the technologies you use most. It can be used to move data from a spreadsheet into a database, but also for export to other formats supported by the .NET DataSet/DataTable classes. Let's look at how we can use the EPPlus library to convert data from an Excel file to a DataTable. Today we will see a few possible and easy-to-implement approaches. Can anybody help me to export data from Data Table to existing Excel spreadsheet by using EPPlus. However, from a .NET perspective, Excel in its raw form isnt overly useful. Could you tell me how to call this function? Step 2: Install the EPPlus NuGet package as a reference to the application. return ds; ws.Cells[rowstart, colstart, rowend, colend].Merge = true; Expanding and collapsing Pivot Table items, Implementing missing or new Excel functions, Working with custom named table or slicer styles, Working with custom named table- or slicer- styles, Using the Data-field - ShowDataAs property. dt.Rows.Add(5, "Smith", 111, 910); my MSDN profile but will not answer coding question on either. OLEDB won't work because of it's column limit of 255. Tables can be created via the Tables property in the ExcelWorksheet class. // Fill the table range with some data // Calculate all the formulas including the totals row. dt.Rows.Add(6, "Williams", 115, 864); I have two DTOs: CreateMandateDto as request DTO and MandateListDto as response DTO So I have written my code as shown be. EPPlus is a .NET library that helps read and write Excel files using the Office OpenXML format. In this article, we will talk about how you can convert excel to DataTable using the EPPlus package in the Asp.Net Core MVC application. I am uploading excel file using ASP.NET Core-6 Web API with EPPLUS Package. For example if I have a class: public class Customer { public int Id { get; set; } public string Firstname { get; set; } public string Surname { get; set; } public DateTime Birthdate { get; set; } } Then the following code: Datatable1 (students) data will be exported to students sheet and Datatable2 (products) data will be exported to products sheet in the same excel. Fact. I've got a spreadsheet with 6 columns in the order "Party, Bill No., Bill Date, Amount, Due date, Remarks". ws.Cells[ws.Dimension.Address].AutoFitColumns(); long2know in } You can merge cells, give background color and can format the cell text in excel using EPPlus.dll in c# and asp.net. Step 3: Include the following Namespace How can I divide the contour in three parts with the same arclength? In the below example we have a dataset contains student details and product details. The code is a pretty straight forward iterative conversion algorithm. Is there a place where adultery is a crime? Reddit, Inc. 2023. { How to read values from the querystring with ASP.NET Core? These two techniques go hand-in-hand to allow a user to get data into a system using a familiar tool like Excel. Step 1: Create a new Console applicaiton in your Visual Studio, by navigating to File->New->Project-> Select "Windows Classic dekstop" from left-pane & "Console-App" from right-pane -> Provide a name to your application "CSharpReadExcelFile" -> Click "OK" It combines the two methods. } Example #. It is used to create, read, update, and calculate Excel workbook data. AddMandateAsyncEngine: This inserts the data into the Database. There are also a few other ways to import/export/read data from/into spreadsheets with EPPlus. How appropriate is it to post a tweet saying that I am looking for postdoc positions? ds.Tables.Add(dt); The final excelsheet will look like this: This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL), General News Suggestion Question Bug Answer Joke Praise Rant Admin. using System.Collections.Generic; Here is an example where we add a row to an existing table. ws.Cells[rowstart, colstart, rowend, colend].Style.Border.Left.Style = By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. public static DataTable ExcelPackageToDataTable (ExcelPackage excelPackage) { DataTable dt = new DataTable (); ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets [1]; //check if the worksheet is completely empty if (worksheet.Dimension == null) { return dt; } //create a list to hold the column names List<string> columnNames . epplus. This functionality is available from version 5.4.1 Default behaviour You can call this method without arguments, in this case the method will execute with its default behaviour. Apparently not. If you generated that file in EPPlus, then open the file in Excel program, save it again and close Excel. ws.Cells[rowstart, colstart, rowend, colend].Style.Fill.BackgroundColor.SetColor(System.Drawing.Color.LightGray); There are also a few other ways to import/export/read data from/into spreadsheets with EPPlus. The library is designed with the developer in mind. In the Solution Explorer, click on references and right click on it. Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; // This will give input to the AutofitColumns call, // get a table by its name and change properties, // you can also supply number of new rows as an argument to the AddRow method. To facilitate easily being able to parse the worksheet, I created an extension method for the worksheet class of ToList.. Error CS1503 - Cannot convert from Microsoft.Extensions.Configuration.IConfigurationSection to System.Action<>, Cannot resolve scoped service from root provider .Net Core 2. It can parse XLSX or XLS files seamlessly without dependencies on Microsoft Office COM objects. using System.Web; dt.Rows.Add(i, "Product - " + i.ToString(), i * 1.123); EPPlus wiki - reading and writing data Back and our Add a table to a worksheet. ExcelWorksheet workSheet = currentSheet.First(); 1 Sign in to vote Hi Karen Payne, Code is using (ExcelPackage pck = new ExcelPackage(newFile)) { ExcelWorksheet ws = pck.Workbook.Worksheets.Add("Accounts"); ws.Cells["A1"].LoadFromDataTable(dataTable, true); pck.Save(); } LoadFromDataTable has to be created separately? } Then click on Add references. VB Forums - moderator. catch And we can dynamically merge the heading of the sheet and can give the border for dynamic data. Create File ABC.xlsx with two sheet first sheet name source and second sheet name types based on module and load data related to every sheet based on data exist on data table. This forum has migrated to Microsoft Q&A. { using OfficeOpenXml; by if (dc.DataType == typeof(decimal)) - Nick.McDermaid Feb 17, 2020 at 3:09 Here is a generic function in C# to import data from an excel file to onject's' collection. dt.Rows.Add(3, "Mark\"Waugh", 109, 850); From the Cells property (ExcelRange) you can access these methods to write: You can also use the GetValue and SetValue methods directly on the worksheet object. Step 2 Then, install the EPPlus NuGet package as a reference to the application from NuGet Package Manager. I've done: The code is adding the row once for each column. 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; Create a DataTable from Excel File; Import data from CSV file; Import data from Excel file Jun 15, 2018 -- 1 When you're working on excel file uploads or populating data to an excel (for. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Visit Microsoft Q&A to post new questions. dt.Columns.Add("StudentName", typeof(string)); Cookie Notice ASP.NET, Microsoft. In JavaScript, we will just set the current URL as the downloadable path. Here is an example that will help you getting started with . Does substituting electrons with muons change the atomic shell configuration? I am uploading excel file using ASP.NET Core-6 Web API with EPPLUS Package. In this case you can be read firstly CSV by Processing CSV files by CsvHelper to Datatable. Datatable1 (students) data will be exported to students sheet and Datatable2 (products) data will be exported to products sheet in the same excel. foreach (DataTable dt in ds.Tables) Asking for help, clarification, or responding to other answers. A dialog box will appear like this: Then browse the DLL and add it as a reference in your project. foreach (DataColumn dc in dt.Columns) { int rowend = rowstart; dt.Rows.Add(2, "Steave, Smith", 105, 820); A set of .NET Framework managed libraries for developing graphical user interfaces. Start by creating an Excel file without the feature that you want. Create ASP.Net Core MVC Project Step 1 Open Visual Studio and Click on New Project. Zoom -in. Then, our web service code will be like this: Here, we are calling this methodCreateExcelWorksheet(fieldsCount, folderList), which will return the path of the file where the excelsheet will be stored. How can I manually analyse this simple BJT circuit? , Export DataTable to multiple Excel Sheets (Worksheets) using EPPlus in ASP.Net using C# and VB.Net, https://www.e-iceblue.com/Introduce/spire-office-for-net-free.html. }, <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> Try something like this. Generally, I parse the first worksheet in the collection of worksheets. The actual parsing is relatively straight forward. EPPlus provides a simple and efficient way to read excel file s in C#. Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages. DataTable dt = new DataTable("Students"); Business people love their Excel spreadsheets. Here is an example that will help you getting started with Excel Tables. Why is this screw on the wing of DASH-8 Q400 sticking out, is it safe? Step 1: Create a new C# console application in Visual Studio. How to make use of a 3 band DEM for analysis? dt.Columns.Add("ProductID", typeof(int)); using (ExcelPackage xp = new ExcelPackage()) I'm trying to filter data from this excel where the column Party is filtered by text in textbox & Remarks is blank and then add the filtered data to a datagridview. We are sending the downloadable path of the folder from the webservice to the JavaScript. Sorry Its just a POCO class I use to track the index/name/value of the cells. but problem code above create one files with one sheet only. { protected void btnExport_Click(object sender, EventArgs e) Since the OP seemed to be very concerned about performance and only needs to read data, this probably isn't the best choice. ws.Cells[rowstart, colstart, rowend, colend].Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin; Export Data from Data table to excel using EPplus. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. ws.Column(i).Style.Numberformat.Format = "#0.00"; protected void Page_Load(object sender, EventArgs e) ws.Cells[rowstart, colstart, rowend, colend].Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center; Reading Excel files into a DataTable in C# has several practical applications across various industries and domains, such as data analysis and reporting, importing data into databases, data migration, data validation and cleaning, integration with other systems, automation, and batch processing. { Step 2 using (DataSet ds = GetData()) You should add row outside of the second for loop. From EPPlus 5.6 you can also create and modify custom table styles. Making statements based on opinion; back them up with references or personal experience. Suppose we are getting the list of folders and the numbers of fields that a folder object will have. For more information, please see our ws.Cells[rowstart, colstart, rowend, colend].Style.Font.Bold = true; EPPlus has the convention of referring to an Excel file (stream or whatever) as an ExcelPackage. The ExcelPackage contains a Workbook and each Workbook has a collection of Worksheets. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. To learn more, see our tips on writing great answers. From EPPlus 5 you can add rows/cols to an existing table, references in affected cells will be updated/shifted. throw; ASPSnippets.com ALL RIGHTS EPPlus has 60 built in table styles to choose from and many parameters to configure the appearence of the table. UploadMerchantMandateExcelAsync: This collates and implements everything. Then browse the DLL and add it as a reference in your project. //create a list to hold all the values List<string> excelData = new List<string> (); //read the Excel file as byte array byte [] bin = File.ReadAllBytes ("C:\\ExcelDemo.xlsx"); //or if you use asp.net, get the relative path byte [] bin = File.ReadAllBytes (Server.MapPath ("ExcelDemo.xlsx")); //create a new Excel package in a memorystream usin. void CreateExcelFile() DataSet GetData() See Table-filters-and-slicers for more advanced usage and Built in Table styles/custom table styles to explore the table styles. dt.Columns.Add("RollNumber", typeof(int)); LoadFromDataTable has to be created separately? This method was introduced in EPPlus 5.4.1. dt.Columns.Add("UnitPrice", typeof(decimal)); Creating knurl on certain faces using geometry nodes. //create a list to hold all the values List<string> excelData = new List<string> (); //read the Excel file as byte array byte [] bin = File.ReadAllBytes ("C:\\ExcelDemo.xlsx"); //or if you use asp.net, get the relative path byte [] bin = File.ReadAllBytes (Server.MapPath ("ExcelDemo.xlsx")); //create a new Excel package in a memorystream usin. So, the user will be able to download the excelsheet. Below you can see this pattern. Answer: 1 Views: 14012 I work on asp.net app I Can't export data to excel sheet with multiple tab (multi sheet) based on data exist on data table module field I use openXML library (EEPlus) Data table data as below : Divide Output Excel File To Multi Tab based On Module Expected Result : from a performance perspective it is one of the slowest libraries for reading Excel data in .NET. You can install the latest stable version. Is there any evidence suggesting or refuting that Russian officials knowingly lied that Russia was not going to attack Ukraine? https://stackoverflow.com/questions/13669733/export-datatable-to-excel-with-epplus, Please remember to mark the replies as answers if they help and unmark them if they provide no help, this will help others who are looking for solutions to the same or similar problem. Generally, I parse the first worksheet in the collection of worksheets. 7: Imports OfficeOpenXml. This example shows you how to export datatable or dataset data to excel in asp.net and c#. You signed in with another tab or window. ds.Tables.Add(dt); I have two DTOs: CreateMandateDto as request DTO and MandateListDto as response DTO. EPPlus 5/6 has new methods added to the ExcelRange for exporting data to csv files, streams, strings and data tables. All rights reserved. Can't get TagSetDelayed to match LHS when the latter has a Hold attribute set. Example. So, you can save it for future reference or you can a print out of it. How to read excel using EPPlus Ask Question Asked 7 years, 7 months ago Modified 1 year, 8 months ago Viewed 27k times 6 using .net 4.5 I'm trying to read .xls/.xlsx file using EPPlus (v4.0.4), but get an error. I wont bore you with all the details since theyre in the code snippet below. Here, we have also written code for creating the directory if it is not available and also for deleting the files from the folder in the server if their creation time is more than 30 minutes from now. So, here we are going to convert the grid available to Excel sheet. Can you guide me in this? writeafunction.com/ Scan this QR code to download the app now. Expanding and collapsing Pivot Table items, Implementing missing or new Excel functions, Export the table data to a System.Data.DataTable, Working with custom named table or slicer styles, Working with custom named table- or slicer- styles, Using the Data-field - ShowDataAs property. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. using OfficeOpenXml; using System; using System.Data; using System.IO; In the case where we know the column names dont match, we can pass in a mapping dictionary as well. : var currentSheet = package.Workbook.Worksheets; An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming. The code below shows how to read an Excel file and store the data in a DataTable: ```C# ExcelPackage.LicenseContext = LicenseContext.NonCommercial; using (var package = new ExcelPackage (new FileInfo ("path/to/file.xlsx"))) { Using the Code. Step 3 Now, include the following namespaces in the class file. { We assume the first row has header column names, and then every other row will be parsed to our object (of type T) with each column corresponding to a specific member of our object. { . Learn how your comment data is processed. You can use this method in any .Net project, not only. First direction is to process data in Datatable structure, and eventually save data to XLSX format. //create a new ExcelPackage using (ExcelPackage excelPackage = new ExcelPackage ()) { //create a datatable DataTable dataTable = new DataTable (); //add three colums to the datatable dataTable.Columns.Add ("ID", typeof (int)); dataTable.Columns.Add ("Type", typeof (string)); dataTable.Columns.Add ("Name", typeof (string)); //add some r. { rowstart += 2; Many times, there is a requirementwhere user wants to take a print out of the data table/grid available. int rowstart = 2; May 25, 2016 try Being able to take an Excel worksheet and build a List can be extremely useful. EPPlus has the convention of referring to an Excel file (stream or whatever) as an "ExcelPackage." The ExcelPackage contains a Workbook and each Workbook has a collection of Worksheets. This is correct? for (int i = worksheet.Dimension.Start.Row; i <= worksheet.Dimension.End.Row; i++) { bool addRow = false; //loop all columns except the last two columns in a row for (int j = worksheet.Dimension.Start.Column; j <= worksheet.Dimension.End.Column - 2; j++) { //add the cell data to the List if (worksheet.Cells [i, 1].Text == comboBox1.Text &. posted on A typical scenario for me is wanting to parse an uploaded Excel worksheet and directly insert the data into a database. EPPlus has no dependencies to any other library such as Microsoft Excel. var x = ImportarExcel.ToList(workSheet); Its an extension method. Would a revenue share voucher be a "security"? } Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" EPPlus is a .NET Framework/.NET Core library for managing Office Open XML spreadsheets, distributed via Nuget . I thought about dividing the columns by 255 and using OLEDB to get specified ranges of the worksheet, but I don't think that you can use ranges with OLEDB. Step 1 Create a new C# console application in Visual Studio. } Using this information, we can make the connection between column names and their corresponding member names. I cant figure out if it is another class you have or if I am missing a reference. Check out our development wiki for more details. By using EPPlus.dll we can easily export datatable or dataset data to excel. It is completely logical to define your data in an excel table then import that into a SQL Table via EPPlus. using System.Linq; It's all on Google or your fav search engine see the first code block in the link below :-), http://blog.dileno.com/archive/201506/creating-an-excel-file-with-epplus/, Thanks Karen Payne for your guidance and support. public partial class _Default : System.Web.UI.Page dt = new DataTable("Prodcuts"); Should I trust my own thoughts when studying philosophy? ASP.NET Core - Error CS1503 Argument 1: cannot convert from 'Request.CreateMandateDto' to 'Response.MandateListDto' in Excel upload, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. https://www.e-iceblue.com/Tutorials/Spire.XLS/Spire.XLS-Program-Guide/Data-Export-/Import-Export-Datatable-to-Excel-from-Database.html. dt.Columns.Add("TotalMarks", typeof(int)); You don't need Microsoft Office Please note that Reading and Creating Excel in C# is possible without installing Microsoft Office. This library can be installed from NuGet as a package. { so How to create files with multi sheet based on module ? Would converting an Excel file to CSV, then parsing it be faster? How to return HTTP 500 from ASP.NET Core RC2 Web Api? I can work around that, but Silvan.Data.Excel had the same exact issue, and Silvan . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. ws.Cells[rowstart, colstart, rowend, colend].Style.Border.Top.Style = From the Cells property (ExcelRange) you can access these methods to load data from various sources: You can optionally specify a parameter to create an ExcelTable when you use these methods. Validates, insert the successful data and displays, then will not allow the failed ones, but display the non-successful ones, Severity Code Description Project File Line Suppression State Convert DataTable to excel file c# using epplus | View In Answers Matrix BlackSwan answered on May 6, 2022 Popularity 9/10 Helpfulness 3/10 Contents Convert DataTable to excel file c# using epplus Comment xxxxxxxxxx /// <summary> /// Convert DataTable to Excel File /// </summary> /// <param name="filePath">Excel FilePath</param> EPPlus is a DLL (dynamic link library) which helps in creating an Excel worksheet. Write XLSX. 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. { RESERVED. One third party library that I like a lot for working with Excel is called EPPlus.