Closedxml vs excel interop. I want to check if the sheet exists before creating it.

Closedxml vs excel interop Count as zero. I am working on a Human Resources app, that needs to show a working environment excel report, like it's demonstrated in this image. var generated = new XLWorkbook(); var workSheet = generated. Potentially upload to Drive and output as PDF, or create a Sheet and output as PDF if it doesn't have a lot of wild graphics or formulas. No library supports XLSB. and the property: FileFormat: Optional Object. Excel as described in this answer, to read data from your sheet, then create a SqlCommand, like insert into How to properly clean up Excel interop objects in C#. The problem is Closedxml. I have also provided some classes to store the contents of your Excel files. EPPlus. EntireRow. Collect 'this works better especially in debug mode DoOfficeWork(XLProc) 'Do garbage collection to ClosedXML. I wrote the functionality and was getting the expected output/result using Excel Interop, originally, but it was taking quite awhile to complete a single output so I am trying to duplicate the same functionality using OpenXML (currently using the ClosedXML library to simplify the conversion from the Compare NPOI and ClosedXML's popularity and activity. NET technologies using two of the most popular In this article, we will compare IronXL and FastExcel v4, highlighting the strengths and weaknesses of each library, and providing examples of how to use both in C#. You might need to save the bytes into a file, open it programatically with excel manipulation libraries like ClosedXML, change the zoom level and write the file back to the response. ClosedXML makes it easier for developers to create Excel 2007+ (. Public Class FormExcelTest_VB . Imports ClosedXML. I am using excel interop and C# to I would like save an newly created Excel in a MemoryStream. No COM+, no interop. Open(stream, isEditable: false). Insert(Microsoft. Controls. Application Dim Ex_Wb As Excel. . iam not able to find the solution anywhere for these issue using c# language . ; Use the BULK INSERT command to efficiently insert all the rows in SQL Server database. I am able to do it with the following: sheet. Vbe. Here is a code sample to create a new Workbook and fill a column with the items from your list. 5 Productivity Tool for Microsoft Office to inspect Excel file. dll" . WriteAllBytes("Foo. Sheets["Sheet1"]; I believe this bug should go to OpenXML SDK. It use the same method as other similar function, but everything else is working quite fine. And for future reference, put the relevant code that you are using inside of your question. The excel classes give you control over column and cell objects. The same was working last week. OpenXML can't open files currently in use. This is very urgent. This is the relevant part: Something also worth mentioning is that there are no Excel library redistributables when you use the Interop. ExcelDataReader - Lightweight and fast library written in C# for reading Microsoft Excel files . json file to excel . Reply reply In this article, we are going to discuss and compare how to work with Microsoft Excel documents programmatically in C# . For a list of valid choices, see the FileFormat property. XlInsertShiftDirection. I got it from here. 1. interop; excel-interop; closedxml; spire. Sheets. Count; r++) { DataRow dr I have an xlsx file that includes charts each in sheets. 0 Object Library from the COM tab; Add the following using I am using the Microsoft. Categories; no interop. That does not work with embed interop types, and if we turn that off, every attempt to use Excel--or even probe our assemblies' type information via Reflection--results in some flavor of file not found exception. and also please Cast The Newly Created WorkSheet. 6. Columns[j]. If it is not already added via the Nuget package manager in XS, double click on Packages in the Solution tree and search/add ClosedXML works fine for the one XS project that I use it for FYI: Excel 15. I am trying to freeze the top row of my worksheet and apply filter. FromArgb(i) Return The . copyto() eats up 85% of processing power. NumberFormat = "@"; // cell as a text This code should run before putting data to Excel. My suggestion would be to avoid using Office Interop. Using ClosedXml it is about 5000ms. There are many creative solutions one can produce with Google Drive and/or Sheets and their APIs. You can almost do everything on that library, and you don't need to have office The problem is that when I open the worksheet in Excel, I can see that the formula works - but I can only see the result in the cell. party Excel libraries. 95. So this isn't possible. Interop if you know your app will run on a machine with Excel installed, or other alternatives such as ClosedXml and other OpenXml-compatible tools, that will generate Excel files without Add a reference to your project to the excel interop dll. Visible = true; Excel. Interop (not sure about ClosedXML and other 3rd partybut still, wanted to share) But since you are asking for an alternative this is how I would go about; Creating a workbook and inserting a macro to it using C# Each night at a random time after midnight I export out multiple excel documents to temp files then upload them to SharePoint. Security. In Windows, I take advantage of resources such as OpenXML or even better: ClosedXML. I tried your code with "C:\\Program Files\\Autodesk\\AutoCAD 2025\\ClosedXML. net core 3. You can automate Excel from the outside using Office Interop. Else, I did not make any special settings in VS, just Optimizing the speed of importing data from Excel - IronXL vs. Reason I am not using ClosedXML as it is not working when compiledsee link to stackO post here. Count, dt. Open XML SDK - Open XML SDK by Microsoft . Alignment. The Overflow Blog WBIT #2: Memories of persistence and the state of state So, using ClosedXML, you need to use XLWSContents. for more info check the function: _Workbook. Open supports URLs, so you could create an in-process HTTP server and serve it that way. The obvious 'Worksheet' opened with Open() 2. Viewed 2k times 2 . NET library that creates or modifies Microsoft Word files without installing Word. The library does not need Excel Interop. However, APIs of all three options should be very similar. Below is the code I am using: public string ExcelSetup(int x, int y) { excel. NET Core Class library, but only for Windows; This cannot be done for . What am doing to resolve my issue is to generate the Excel as of now with ClosedXML and re-open the Excel again in Interop and add the DataBar in the respective cells using Interop. OpenXML does allow creation of documents, and libraries like ClosedXML can help to make OpenXML easier to work with if you have previously used VBA for example. Cell(rowPosition, cellPosition). Basically i am creating a temoprary excel file and present it to the user to do what ever he wants. OpenXml. Below is my code and tell me what is the problem and how to solve this. net" in the same sentence, NEVER use Interop. Borders[Microsoft. @GeorgeVovos Using interop is problematic ClosedXML. Core references and replace them with with dynamic and var keywords which tank you for your answer. Columns. Style. Excel (meaning you must have Microsoft Excel installed on the PC where your application is running) consider using an open source library like: ClosedXML or EPPlus (you can easly add them using NuGet Package Manager in your VS). I am doing the following: valueRange. NET library designed for reading, manipulating, and writing Excel 2007 and later file ClosedXML is a . Worksheet sh = (Microsoft. If you want to create Excel files outside of Excel, for example, in a Console App or Windows Service, then Excel-DNA is not the right tool for that, and you should look at using the Excel. many columns, but for this specific scenario, we probably want to stick with one row and 1. The other document-level Interop assembly references seem to compile but not run. Previously, generate an Excel file was during 100000ms (using Office. edit Fix name. Obviously if I enter a formula in Excel itself I can see the result in the cell and the formula in the Formula Bar. You need to call System. User will change a cell value from the application and it should get updated in the Sharepoint file. I want to read an excel file located in a Sharepoint path from my C# application. Excel (Interop C# tutorial) or some alternative to Interop (f. Output Excel file shows correct font name, but doesn't display cell content properly: I used Open XML SDK 2. If it is set to true then you will not get this exception. xml, spire. _Worksheet worksheet = (Excel. Each formula itself is exported properly, however it doesn't "work" until I doubleclick its content and press enter. Excel from Nuget. I also had trouble with it before – George Vovos. ApplicationClass and choose whether to make Excel visible in the GUI by setting When I use the interop stuff I spend more time troubleshooting why task manager is showing like 100 instances of Excel that aren't closing properly. Improve this answer. Issue with DateFormat in Excel while using OpenXMLWriter. See the comments below where they point out how slow the interop classes are and suggest using CSV, that literally covers none of the scenarios in the post except the fact he said the input could be CSV. BorderAround2(); but that just draws a box around the range itself, which I Which gives it the default format dd/mm/yyyy. . It took around 30 seconds for Interop Excel to read 750 rows. Column and row numbers are 1-based. Excel from the . Click Dim xlApp As New Excel. But note the MS documentation - ClosedXML's implementation may require you to also check the Shapes. It would be nice to simply have a file of VBA script in the C# project that the C# code pulls from and injects into the Excel document without VBA interop. Install the library through . The object row can be null if there are empty rows at the bottom of the excel file: in this case you can skip the row or insert an empty row into the csv file. Effortlessly I have already installed Primary Interop Assemblies. First, the file is populated via Interop, then saved, closed, then I format the cells' RichText using ClosedXML. net application and download excel file not working recently in Local and IIS Website. Is there a way that I could read a excel file with this library? Opening a Excel file. But I can't use interop or VBA on the prod server. Range a1 = sheet. 1 - is pretty much unusable for larger Excel reports. Only used it back when I was working with small-medium data sets (~2k rows max) but I don't think it has any major sheet size limitation. ; For the same XLSX, the time for Open XML SDK - Open XML SDK by Microsoft . On the client there is no Office Interop Excel library available ther ClosedXML - ClosedXML is a . ClosedXML should have an API that's easier to use, because you'll be working with Excel entities directly, while the Open XML SDK deals with the underlying XML, so it can feel a In VBA or the Microsoft. Excel - The fastest . Excel; using System; using System. Excel Microsoft. Delete(); to delete page break. I have tried using Microsoft. Excel COM interop is not a viable solution IMHO. public class Foo { public DateTime Column1 { get; set; } public string Column2 { get; set; } public decimal Column3 { get; set; } public bool Column4 { get; set; } } you have to create a new Worksheet with Sheets array by providing WorkSheet Name. Removing Multiple Rows from excel sheet took too much time using Find method of Office. xls; or ask your own question. There might be a way to deal with read only filesystem: If you want to align one cell use. dll. Opening Excel File Just another note to you guys, I decided to use ClosedXML. NET language like C# and VisualBasic. ; Convert the rows and write them in another file in a format that SQL Server's BULK INSERT command understands. You can use ExcelDataReader or Microsoft. Afterwards I need to add some additional columns to the excel file. So when I again read this excel file programatically I can use this Id filed as Id is unique for me I have list of foo as the below. NET library for reading Excel data files. Excel namespace. NPOI is more popular than ClosedXML. (b) Office Applications such as AddIns: Interop. PTwr is right. ClosedXML was way easier for me and a lot easier to find specific code examples online. DocumentFormat. Application Dim xlWorkBook As Excel. xlsm) files. Add(); with following. many columns), you only need do three things: and reference the Microsoft. – Excel. NetOffice provides a version-independent set of interop libraries, so you can support all Office versions with your app, and includes IntelliSense to show you what methods are available under which Office versions. I found worksheet. It can be used by any . A high-performance . 20002) 64-bit. HorizontalAlignment = Microsoft. everything the post asks for. File. Really Great. Report-From-DocX-HTML-To-PDF-Converter - . What I like to do is to force the date to be in mm/dd/yyyy Is there a way to do this in Closed XML. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API. Now I need instead to do it using ClosedXML. The typical example is creating Excel reports on a web Currently i have an issue correctly releasing and terminating the excel process after i have generated an excel file using interop. I have built a web app using . I can't see the formula that was calculated in the Formula Bar at the top of Excel. I followed this question Fastest method to remove Empty rows and Columns From Excel Files using Interop and i find it helpful. What needs to be done? NPOI - a . Excel Public Class Form1 Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1. If you need more functionality and actual support, I recommend Syncfusion. Here is my code when form is loaded what fill up in -There are several free/commercial resources that can work with excel files: Create excel without interop and template with or without row and columnspan. It aims to provide an intuitive and user-friendly interface to dealing with the underlying complex OpenXml API. and I did not find it. In older Excel versions the \r will be drawn as a rectangle like user1514042 mentions, in newer versions it will be invisible but still present in the cell (you'd be able to move the text cursor beyond the visible end of line because there is something else). Excel, OpenXML, ClosedXML, and ExcelDataReader. Categories: Office. IronXL and Forget about Microsoft. BulkPDF - BulkPDF is a free and easy to use open source software, which allows to The sticking point is that we have in-house libraries that expose Excel types as delegate arguments or class members. SpreadSheetLight does ClosedXML is a powerful library that allows you to work with Excel files without having Excel installed on the machine. It is weird that it doesn't work with closedxml assembly from other sources. Excel; public void Create(){ Excel. My work-around has been to delete the explicit Microsoft. Below is the function that returns the last row used. 1. I tried from nuget I have an excel workbook with many, many sheets. NPOI - a . TableToExcel". Create, read, and edit Excel documents seamlessly. Excel will only use \n for the line break, the \r will remain as a visible character. Excel along with Microsoft. Its slow. XSL; Microsoft. For Office 365, the version is usually the latest one. You can find more details here. All I need to do is to check first if last row used is null, then return row one. AddWorksheet("Test"); workSheet. NET It's using Closedxml and Excel interop to manipulate Excel files and add data. NET Core on OSX because the environment is not suitable for interchanging COM objects. 1 ClosedXML DataTable to Excel does not export the int(c#) values to Number(Excel) As a result, Visual Studio was unable to resolve the location of Microsoft. You can also directly interact with COM objects like Microsoft. I can add a pagebreaks but only that pagebreaks shows in file which is in whitish area of So I'm trying to read an excel file with C# and the document is 181MB. Throwing this out as food for thought. Excel is targeted at 2013. using Excel = Reference Correct Version: Ensure you've referenced the correct version of Microsoft. Excel this is done via the DisplayFormat API. Office. Jet/ACE OLE DB either read worksheet as strings, or as typed columns, so you either lose numbers precision or you must have headers in the first row. Core without also installing Office. Cell("B1"). I still get nightmares about it ClosedXML is wrapper around OpenXML and is subject to the same constraints. LineStyle = Excel. Then it took ClosedXML 3 seconds to do the same thing with the following code which also does not leave any nasty processes behind: What I do: populate & format an Excel file using a mix of Interop and ClosedXML. It provides a nice object oriented way to manipulate the files (similar to VBA) without dealing with the hassles of XML Documents. NET Core team may perhaps be persuadable to add access to the Office. Using Interop. Range)currentWS. using System. Range. You can also change the topRow variable to whatever row you want the array of strings to be placed at. Is ClosedXML even supporting excel file encryption? On their wiki which I found on GitHub, there is the only article about protecting sheets and even for formatting and structure. Specifically, i would like to know if there is a way to remove the sheets using sheet name instead of ordinals (sheet number). ReleaseComObject() on every excel object you use, even invisible ones, e. Now, at first I tried doing that using IronXL but then I realized +1 for ClosedXML. This saved my life, because my boss was already I use 3rd. Sylvan. Indexed property 'Microsoft. IronXL and Microsoft Excel Interop both provide the methods to create, edit, and read excel documents in . e. The typical example is creating Excel reports on a web server I want to convert . Excel Sheet Reading - ClosedXML - Date shown as Number. Excel, currently I am Open XML SDK - Open XML SDK by Microsoft . So is there a way to read the Revision Number of an excel 2007 xlsm file without actually opening it? NPOI - a . XlLineStyle. When you EPPlus. This is the same as in Excel 2010 if you select View > Freeze Panes > Freeze top row, and then after selecting top row Data > Filter. Open(Filename: "c:\TEST\MyFileProtected. Share. HPageBreaks[1]. Office Interop. Its causes so many issues trying to free up the com references so that the excel instance can shut down. Thus, they are to be avoided. Marshal. I made a sample using excel. But now I need to print this Excel document (only a Worksheet or the entire workbook) I was Here is how i do it with Function, simply replacing blue and red byte. It does only do Excel files, though, so you'd have to find something else if you want to work with Word/PP/whatever. DataTable DataTable, string ExcelFilePath = null) { int ColumnsCount; int RowShift = 7; ColumnsCount = // Inserts a new row at the beginning of the sheet Microsoft. Application wb = xlApp. The next question is to decide which C# Excel library is best suited for your project. Sort(valueRange. Range["A1", ((Microsoft. Open XML SDK - Open XML SDK by Microsoft Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company As per @Tom Sun's answer there is no Office interop in Azure. I had a similar dilemma last year and, based on my experience, you have 2 options: ClosedXML, like u/RandomBlueThing already suggested, or Open-XML-SDK, which is officially supported by Microsoft. Interop is attractive because it is on my system, it is pretty well documented, well supported and looks like it supports all the Excel's functionality. ClosedXML). xlsx files produced as 'damaged' but it auto-repairs I suggest that you calculate a Hash for each row of the excel file, then you can go ahead and compare the hash of each row to see if it matches any hash on the other file (see comments in source code). How to Export DataSet to Excel in C#? Creating a simple windows forms application. ; Speed. Interop Public Class Form1 Dim Ex_Ap As Excel. like so: ExcelApp = new Microsoft. XlBordersIndex. If you're using Excel interop then it is an option on the SaveAs method. To do this on the . C: \source > dotnet add package ClosedXML. NET helper to import/export/template spreadsheet (support Linux, Mac) To this end I'm trying to read Custom Property "Revision Number" of both local and server copies. A really large report can easily allocate several gigabytes of RAM. Excel is not an option) if possible. I think you need to use openxml created by Microsoft to work with excel word and PowerPoint. Interop opens a real excel instance and manipulates it to set / retrieve data. For example: var template = new Introduction. _Worksheet. Try fill in formsfields in a protected word document for example. Excel. And have used ClosedXML in the past (very nice library). Workbook Dim xlWorkSheet As Excel. ExcelDataReader - Lightweight and fast library written in C# for reading Microsoft Excel files I am trying to remove all extra blank rows and columns from an excel file using Interop Library. Hello all, I'm having trouble to find a good way to make Export&Import option to my project for Excel without using the microsoft interop. Net tab; Microsoft Office 14. NET Framework. Interop on a new sheet which I add to an existing workbook and fill dynamically, then for display purpose I set these 3 properties: What I have found out while checking other libraries of Excel automation (ClosedXML for example) is that others modify directly the I am developing asp. Application Xapp = new excel. NET CLI. Excel). Reply reply TheAmorphous • Solution that worked for me for Excel Interop: myWorksheet. xlsx", ReadOnly: true, Password: "PASSWORD"); I also tried with A Comparison between IronXL and Microsoft Office Interop Excel. Otherwise, return the succeeding rows. xlsm, etc) files. xlsm) files Excel, Npoi, Xlsx, Xls, Word, Docx Tags: Appending to the answer of @RvdK - yes COM interop is slow. Count. so I had to stop using interop and migrate to OpenXml to edit excel templates and ClosedXml to create new excel. If you use both, [ColorIndex:=3] will override [Color:=RGB(255, 0, 0)] - action visible when you try to set different colors for each, or use [colorindex:=xlColorIndeAutomatic] or with [xlColorIndexNone]. Usually when I want to ship pre-packaged documents, I will either ship the documents as standalone files, or write them from I have used ClosedXML for a few years, and I have to admit that the library - as of version 0. The performance problems you have seen are linked to GC (garbage collection). It is not possible because the interop is actually an interface for programs to run and operate existing excel on the computer. Looking at the code, you ClosedXML ClosedXML is a . : var worksheet = excelApp. Excel; //needs ref to COM: Microsoft Excel Object Library public void ShowFile() { Excel. How to export it to excel without Microsoft. Excel; // using this namespace public ExcelHelper(string path) { _xlApp = new Application(); _xlWorkbook = _xlApp. net: Imports Microsoft. NET helper to Add the following references: Microsoft. NET tab select Microsoft. Excel. NET must be marshaled to local COM proxy from there it must be marshaled from one process (your app) to the COM server (Excel) (through IPC inside Windows kernel) then it gets translated (dispatched) from the server's local proxy Microsoft. In Excel Interop I can create a new Excel. No, there is no way to directly open a workbook from memory. 2, where a table object gets exported to an excel file via the geoprocessing tool "conversion. Every call made from . NumberFormat = "@"; // column as a text myWorksheet. ClosedXML. The answer is relatively simple: If you combine "excel file" and "asp. Workbooks. On CodePlex I found a thread on this issue and a simple code to see the problem:. Excel worksheet. Package to IPackage for various reasons (the believe the most important one was dotnet/runtime#1544). InteropServices; namespace SAVETOEXCELPROGRAM { public static class ExportToExcel { public static void ExportPartsToExcel(this System. using Excel = Microsoft. Because when i use interop is slow and in task manager excel always work after this , and make not good use. You can highlight them, resize them, reorder them. Read in the files and use LINQ to get the data you need. NET. The memory usage/footprint is a disaster. To change the border color you have to use either. Default by default. I am creating a excel file by closedxml. The project is detecting the Microsoft. ClosedXML allows you to create Excel files without the Excel application. The only way I know for inserting code to a VBA Project is to use Office. Ask Question Asked 2 years, 3 months ago. using ClosedXML. g. But i have excel files that contains a small set of data but a lot of empty rows and columns (from the last non empty row (or column) to the end It can be complicated, ClosedXML is an abstraction over it to make it easier. Cryptography; private void compare_btn_Click(object sender, EPPlus. The API is the same whether you use VBA or Office interop which means you can record a macro with the steps you want, inspect the calls and make the same ones in C# Try this library :ClosedXML. This is a change from 2 to 3, where they abstracted System. When you do it, don't use interop. However, for a rather complex worksheet that is handled by multiple applications, I have decided that it is best to allow Excel itself to do all the work. I do not recommend +1 for ClosedXML. That's probably overkill for most purposes. Workbook xlWor Compare ClosedXML vs MiniExcel and see what are their differences. ClosedXML uses XLFontCharSet. The problem is that the cell content is not wrapped, when that cell contains a formula referring to a cell with some long string. which tosses up. Value="abc"; What I need is to set an Id of that cell which relates to its value and which is not visible to user. Excel is set to false. I am able to set its cell value as shown below. Now I have to use this code on a server that doesn't have office installed on it, so I don't really know for sure if the code using this reference will be able to run there. NET Core library to create custom reports based on Word docx or Imports Excel = Microsoft. Workbooks; I've been trying for a while to run the following code with Microsoft. It should match the version of Office you have installed. xlShiftDown, Type. Cells[i + 2, j]. interop: Application excelApplication = new Application(); Workbook wkb = I already searched in Stackoverflow and found few samples using Interop. Utilize Spreadsheet controls for creating, editing, and viewing easily. The thing is, OpenXML is – compared to Office-interop - not easy, and the Microsoft OpenXML SDK 2. When I try to manually add the reference, I I am trying to read from an excel file. range. Can't speak for other 3rd party Excel libraries, but it's 1000% better over using Excel Interop. Cell(i, j What I have is an Excel document created by ClosedXML which I can write to a perfectly valid XLSX file. It looks like I have two options that fit my budget, NPOI and Interop. NET library that can read/write Office formats without Microsoft Office installed. With IEnumerable. Was anyone able to find a way with ClosedXML? We would like to avoid using another library (like Spire. Here my code: using Excel = Microsoft. 0 is just lipstick on top of the XML and some things which were so easy to do with the interop assemblies gives you nightmares to do with OpenXML. Not relevant to ClosedXML. 0. Open() There are two objects here: 1. github. Worksheet)wb. I am using VB . 1, and downloaded Microsoft. And i found out that there were ClosedXML that is way better option. It worked. Data. Open(path); } Helper I have to return file by creating excel workbook from memory stream. This crashes directly on opening SpreadsheetDocument. Worksheets. Excel reference in order to have some manipulations with excel files, like adding columns, locking cells, protecting with password etc. Excel namespace in the . xlEdgeLeft]. It aims to provide an intuitive and user-friendly interface to dealing with the I have experience with various libraries and recommend ClosedXML for most projects. Report generates an Excel file based on a template that you can create in Excel using any formatting. WrapText = true; I am currently using the native microsoft library Microsoft. ClosedXml is a . – PTwr. Range neededRange = currentWS. How to get the value of excel sheet cell using their Field Name ClosedXML read from excel file. SaveAs Method. InteropServices. Application(); Workbooks books = ExcelApp. After some trace I found a function that's painfully slow. You can still do most anything with Excel and there are a lot of examples. So, let’s get started. – Crowcoder. Word assembly reference correctly but the excel reference still cannot be found. I suppose I could probably go through my data set, find which columns are date times, and format those columns accordingly with closedXML. You get this exception only if Embed Interop types of the Microsoft. Office Interop is the only way, or maybe WINAPI. Count]; for (int r = 0; r < dt. However, what I am looking for is to show the document in Excel without writing it to a disk file. Cells[row, col] = value; but it's terribly slow for how many I'm setting I am using Microsoft. 16026. Worksheet Function Excel_Color_Get(ByVal i As Int32) As Color Static c As Color c = Color. XLWorkbook() in the GUI without first saving the file?. _Worksheet)workbook. Click Dim colFile1 As String Dim rowStartFile1 As Int16 Dim rowEndFile1 As Int16 Dim colFile2 As String Dim rowStartFile2 As Int16 Dim rowEndFile2 As Int16 Dim file1Path As String = "c:\users\jd310\documents\file1. Except you can just take the elements from sheet1 that are not in sheet2 and put it into a new sheet and save it to an Excel-file. xlHAlignRight; If you want to align more than one So far I've been exporting data to Excel using the Microsoft. dll - it was reading two subkeys where it could only read one. ClosedXML is a . Juice ain't worth the squeeze for me. Read More I am trying to sort a worksheet by the first column in excel using INTEROP. xlContinuous; But what if I just want to draw all borders? I have tried. I have sections within my excel file that are tabular. It restricts deployment options due to the excel install. Commented Sep 7, 2014 at 9:08. Don't make people ask for it in comments. That said, you should still look into the alternatives mentioned already. A bit more details. The interop library for Excel 2013 is available on Nuget here. xlsx file to pdf. This may not seem like a big deal on your local development machine, but the Microsoft default libraries can easily turn into a roadblock when you are deploying your code to a production Web server that I need to generate PDF reports in a windows application I'm working on, and I do this by exporting an . OleObjects, but if the controls aren't ActiveX Controls, and are instead the built-in Excel Form controls, you'll need to use XLWSContents. com Source Code Docs Changelog ClosedXML is a . Net and moving from Microsoft. Open("E:\\Selenium needs\\ I am working on a program that generates an output document in Excel xlsx format. Workbook wb = @ctkano +1 because this code works, even if it needs some corrections. I have automation to create an Excel document from C#. 0. Cells[nRowCount, nColumnCount])]; That should work like a charm. I want to delete all the sheets except for three of them. 15 Read Excel worksheet into DataTable using ClosedXML. Excel; namespace Using ClosedXML is it possible to show a new Excel. No need to have Excel installed anymore. Range' has non-optional arguments which must be provided. Excel library, and libraries like it is that you are no longer reliant on the Microsoft Office libraries to generate your Excel documents. ClosedXML - ClosedXML is a . I wasn't able to get OpenXML to work and ClosedXML seems to have issues with large excel file (it also takes at least 6 minutes to read the file). Workbook Dim Ex_Ws As Excel. Application excel = new Excel. - ClosedXML/ClosedXML Is it possible to use ClosedXML to open an Excel file protected with a password? And if so, how? I tried using Interop but it's very slow. Excel to ClosedXML to take advantage of the increased speed. ActiveSheet; I tried worksheet. Interop Library in C# Desktop App. XlHAlign. However, an OpenXML based approach does have limitations - a big one is around elements that require a knowledge of the page size to work ClosedXML is a . Unfortunately I can't just select the whole range with ClosedXML and change the number format since come columns contain non-date numbers. I'm not 100% they allow access to comments, but highly likely Initially, I was going to go with ClosedXML. Is there any way to access this information using OpenXML or ClosedXML please? Reason I'm asking is I'm trying create HTML tables from the sheets including formatting, especially whatever conditional I have date's in an excel sheet that I am reading from. So users of the application also need to have Excel installed on their machine. I wrote a programme that imports data from an . OpenXML is designed to have no dependency on Excel being installed on the system. xlsx"); var ws Hi all, I developed an AddIn in C# and ArcGIS-Pro 3. Example with usage in vb. Interop library. xls but not founding a way to achieve the same. I want to check if the sheet exists before creating it. I am having feeling that in file (as shown in image) below 7th row is automatic page break as i am getting HPageBreaks. I am using Office 2016 and Interop. It's just a nice wrapper for the OpenXML framework. However, Application. Excel; Excel. x for Mac does report the . I have some charting requirements though and as of right now, ClosedXML doesn't have any charting functions. I just want a simple sort of the entire range by the first column. I'm currently using interop for this, however: I need to do this without requiring the users to buy software, so no microsoft office excel. 2. You could do this by either using the Interop. Runtime. xlsx file and then creates many XML files based on the imported data. The negative for Interop is that at some point, this application will reside on a server and, I my Thank you for your reply and hints, Einar! I am using O365 and my Excel version is Excel for Microsoft 365 MSO (Version 2301 Build 16. Rows. NET helper to import/export/template spreadsheet (support Linux, Mac) . DocX - Fast and A high-performance . Sometimes installing a different version (like 2016) might create a mismatch. Some of my code: SSRS or Report Viewer doesn't provide a way to customize the zoom level of exported excel file. There could be multiple assemblies with this name. xlsx", bytes); var wb = new XLWorkbook("Foo. Excel, instead consider a library like SpreadSheetLight which can create Excel files, format data and more. Unfortunately, this formatting causes Excel to view my file as "corrupt" and needs to repair it. I personally use ClosedXML. Application(); excel. using Microsoft. MiniExcel - Fast, Low-Memory, Easy Excel . For a large XLS, the time of reading for NPOI:Jet:Koogra:EDR is 14:8:7:5. It's slow, can hang unpredictably, there might be popups which block your I tend to use ClosedXML if I'm doing work with Excel. Since this answer I've used ClosedXML to create/modify Excel files directly. Cells[y, x]. I want to save it as pdf file. Pretty sure both are available on NuGet. Whereas accepted response with reference for SpreadsheetGear NPOI - a . Workbook Xworkbook = Xapp. Worksheet sh = wb. Sub UsingExcel() 'declare process; will be used later to attach the Excel process Dim XLProc As Process 'call the sub that will do some work with Excel 'calling Excel in a separate routine will ensure that it is 'out of scope when calling GC. Then you can use: ExcelPackage excelPackage = new ExcelPackage(stream) or To add a border to one or more sides of an Excel Range (range of cells, which can normally be comprised of 1. get_Range( "A1", Type. The issue is that the workbook contains macros that launch on open, and I don't want to run any macros just to check the Revision Code. NET library for reading, manipulating and writing Excel 2007+ (. I have used Interop, closed. 1 Excelfile to DataGridview with ClosedXML. If I run the service code normally (by copying and pasting it to a form app for testing) the export work as expected. Now I am looking for help with this topic, I am using ClosedXML. worksheet. Then I stumbled upon SpreadsheetLight which also has good docs and does support some charting. xlsx, . NET Excel framework without Microsoft Office or interop dependencies. Application The main benefit of the the ClosedXML. Why is it slow? It is due to the fact how it works. many rows and 1. It has great documentation and the object structure made a lot of sense to me. BulkPDF - BulkPDF is a free and easy to use open source software, which allows to automatically fill an How to read entire worksheet data in excel into DataTable using ClosedXml. IO. Missing ); After you have inserted your new row at the top, you can add the headers to Try writing the following C# program: Read Excel file contents using the classes in Microsoft. Select the appropriate for your Visual Studio AND Excel version. Missing ); a1. For an existing file, the default format is the last file After reading the ClosedXML documentation and doing some debugging stuff, I successfully converted the Excel Interop function to ClosedXML counterpart. the 'ws' is your Worksheet ws; Instead of calling Interop. Can't speak for other 3rd party Excel libraries, but it's 1000% better over using Excel In this blog post I will take you through the important pointers of OpenXML vs ClosedXML. DocX - Fast and easy to use . I haven't fully rewrote the code To create an Excel file in C# using a DataSet, you can use libraries like EPPlus or ClosedXML for handling Excel file creation. Nuget package As it happens, you cannot even BUILD a project which contains references to Microsoft. The NetOffice libraries are an alternative to the Office Primary Interop Assemblies (PIAs). Color:=RGB(255, 0, 0) with the RGB code you're interesting in, or ColorIndex:=3 - to get the red color, for instance. Worksheet . Compare ClosedXML vs EPPlus and see what are their differences. Application xlApp; Excel. Modified 6 months ago. Everything works fine except for the formulas. object[,] arr = new object[dt. Follow answered Oct 18, 2013 at As Leejay said, assuming you added ClosedXML via nuget in VS, restore it and you should be fine. Excel assembly in your solution EPPlus. Replace this : Excel. Ok, so I'm trying to set the value of a cell with the excel interop library. The file format to use when you save the file. xlsx" Dim file2Path As String = This is an excerpt from method of mine, which converts a DataTable (the dt variable) into an array and then writes the array into a Range on a worksheet (wsh var). I also can't use any heavy dependencies (like open/libre office). Private Sub ButtonCreateExcelFile_Click( sender As Object, e As EventArgs) Handles ButtonCreateExcelFile. Interop. hcjn bhpgcma uxze nut piqrf ibawjjyk hacp ybiea eoxx ipgsms