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Re: How to open an Excel Document in VB.NET 1 Week Ago by Pelorus_1 A Microsoft Excel document can be opened in VB.NET using the Microsoft.Office.Interop.Excel library. Using Workbooks.Open(), open the workbook, and then display the Excel window. Reference the Excel COM object in your project. Re: How to open an Excel Document in VB.NET 1 Week Ago by JamesMichaelm I see it's been a while since you posted, but I'm curious if anyone here has tried using the Open XML SDK instead of Interop or OleDb for reading Excel files. I found it faster and doesn't require Excel to be installed, though it can be more complex for writing. Wondering how others handle big Excel files or ones with tricky formatting? Re: How to open an Excel Document in VB.NET 1 Week Ago by PitSterw I've worked on something similar and found that using Microsoft.Office.Interop.Excel lets you open the file and loop through cells easily. Re: Show computer name on a label 1 Month Ago by toneewa For VS2010 project support in VS2022, to compile your example I did the following: Created header stdafx.h: #pragma once #include <iostream> #include <fstream> #include <sstream> #include <string> #include <Windows.h> #include <WinSock.h> #include <msclr/… how to get value in Excel Spreadsheet using excel interop 14 Years Ago by kieky can you help me to get value in excel spreadsheet using excel interop so that i can saving it into a 'variabel' or as text.. Thx a lot.. C# Excel Interop 13 Years Ago by ChaseRLewis So I've programmed using Excel Interop before, but I can't figure out something. I have a spreadsheet with thousands of material properties listed in them. In the excel spreadsheet if I change that enum I can recalculate the sheet retrieving the values I need. I want to form a repository of info so I can retrieve it for another program I'm … Excel Interop 15 Years Ago by JohnDove My vb 2008 app uses Excel, but only briefly. Can I avoid referencing the Interop library Microsoft.Office.Interop,Excel?? Is there another way to link to Excel? In terms of its dealings with Excel, my app does little more than open a workbook and shade some cells. Many thanks Re: Excel Interop 15 Years Ago by kvprajapati [b]>Can I avoid referencing the Interop library Microsoft.Office.Interop,Excel?? Is there another way to link to Excel?[/b] [URL="http://www.knowdotnet.com/articles/exceldatasource.html"]ADO.NET[/URL] and [URL="http://en.wikipedia.org/wiki/Office_Open_XML"]OpenXML[/URL]. Re: Excel Interop 15 Years Ago by TomW Using database functionality you can read and write to an excel file without having to automate Excel as long as what you are writing following a consistent table structure. I definitely prefer this method it is very easy and doesnt require the user to even have Excel. However you do lose formatting options such as bolding cells. (ive been trying … Re: Excel Interop 14 Years Ago by gever You can use OLEDB for read and write to Excel File [url]http://vb.net-informations.com/excel-2007/vb.net_excel_oledb.htm[/url] Gever Re: Excel Update to 2010 not working with Application 12 Years Ago by Oxiegen I found some more information regarding the removal and re-adding of the reference method I posted. After you remove the reference from the project, you should also delete the auto-generated Excel interop assembly in the application's bin folder. Then re-add the reference to the project. Re: Excel and C# 16 Years Ago by mcriscolo If you mean that you want to manipulate an Excel workbook from a C# Windows app, then perhaps this [URL="http://dotnetperls.com/Content/Excel-Interop-Performance.aspx"]link[/URL] will help. Automatic Range using Excel Interop 14 Years Ago by kieky This is my code : [CODE] icrosoft.Office.Interop.Excel.Application(); string filePath = Server.MapPath(@"~\\Staf\\TestLucene\\" + strFileName.ToString()); Microsoft.Office.Interop.Excel.Workbook workbook = application.Workbooks.Open(filePath, Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing… oledb to read Excel file 14 Years Ago by KatyHex I have always used Excel.interop before but I thought oledb would be simpler because, for this application, I only have to read the data which it can't seem to do. It accesses the file alright because I can't open the file while I am at a breakpoint. It attempts to read the file because oExcelReader.fieldcount = 14 which is correct. oExcelReader… C# Excel interop - how to clear clipboard? 13 Years Ago by ChaseRLewis So need to use C# to create this tool I want for a game. It will involve an interop between Excel and my own program so I can easily tweek values on some items in my program or through excel. So far it's going ok, but when I'm constructing the excel spreadsheet based on certain values I need to copy a lot of pieces back and forth to give it the … c# and Excel chart positioning 17 Years Ago by Sparky1208 Hi all, I hope this question is in the correct area of the site. If not, someone please advise. I am creating Excel pie charts using C# Excel Interop. My problem is that my charts (plot area, I suppose) are never in the horizontal center of the chart area. However, my chart titles do appear in the horizontal center of the chart area, … Defining Ranges for Excel in VB.NET 14 Years Ago by Tweed I am using Excel interop in my VB.NET program. My problem is that I can't seem to figure out how to write to Excel *and* define the Range using numbers. Alright, so I have objects being created depending on the file that the user opens. So there could be 100 objects or there could be none. Now each object has an array of values, and these arrays… C# Excel Interop Manipulation 11 Years Ago by Mike Askew I've been toying with some code for the last thirty mins to try move a substring from one cell to another. In debug I can see the correct contents being picked up and moved to the new cell and even got a save prompt popup when running over line 31. private void button1_Click(object sender, EventArgs e) { string … Re: C# Excel Interop Manipulation 11 Years Ago by Mike Askew Functioning code for those interested. private void button1_Click(object sender, EventArgs e) { string FileName = @"D:\FooBar.xlsx"; Excel.Application xlApp = new Excel.Application(); Excel.Workbooks xlWBs = xlApp.Workbooks; Excel.Workbook xlWB =… Re: C# Excel Interop Manipulation 11 Years Ago by jhoisington You are modifying the object valueArray, not the actual values in the workbook. Locking the file until you kill off Excel has been an annoying feature of Excel for years. jim... InterOp 2009 Las Vegas: All That Glitters 15 Years Ago by khess InterOp 2009 is a success by anyone's measure but it's been a mixed bag for me so far. Internet access on the show floor is almost non-existent. For a major tech show like this, it's absolutely ridiculous. You'd think that Internet access would be a standard feature of any technical show--especially for perhaps the largest one of the year in North … Re: C# Excel Interop 13 Years Ago by thines01 So, you need to change the selection of a dropdown list ao the sheet will recalculate? Wondering: if you had a VBA macro that could do that, could you call the macro from C#, then pick-up the values from the sheet? Re: excel validation 12 Years Ago by Cherothsulalea Excel Sheet is more beneficial to doing work for creating a data and report. Re: EXCEL Formula Help 15 Years Ago by cole davidson Excel does not have the features for what you are trying to do. You can however create two different purchase orders using two Excel sheets, one for each state. Re: Excel VBA - Check each column is empty until last column 9 Years Ago by overwraith One of the things I have noticed about Excel programs is occasionally Excel thinks that comma separated value text(CSV) files are excel files, so it will automatically open them. You can alter these files with text operations however. Then there are completely different actual excel files which need operated on through excel interop. You are … Re: InterOp 2009 Las Vegas: All That Glitters 15 Years Ago by carlyse_09 Personally,i haven't tried to used Linux and this InterOp 2009 is new to hear for me.I guess it will still depend on how the application will fit a person's need. Re: Excel VBA - Check each column is empty until last column 9 Years Ago by overwraith Stop refering to it as the same cell, you're confusing everybody! A 'cell' is one box. A 'row' is one line of boxes left to right. A 'column' is all the cells in a vertical line (up/down). So what you seem to want is to take the repeating rows, and put them all on one row, one after the other? These terms matter when you start dealing with the … Re: clearing excel file before upload 12 Years Ago by deceptikon > the actual excel file... Okay, so within the Excel file are you trying to remove a single worksheet or does the file only consist of one worksheet? The ideal situation would be if you could just delete the file since that's the simplest. If you really need more control over the spreadsheet than insert, update, and select, you'll have to move … Re: clearing excel file before upload 12 Years Ago by deceptikon > I think he means that the Workbook contains many Worksheets and he needs to delete the first worksheet before uploading it to the database. That still doesn't make much sense. Just don't upload the first worksheet. > Unfortunately I don't know anything about using Excel in C# so beyond my interpretation I can't offer anything else ^^ He'… Re: clearing excel file before upload 12 Years Ago by Ketsuekiame > That still doesn't make much sense. Just don't upload the first worksheet. I didn't realise you could be that selective. In my mind I was using the concept of a workbook and uploading this container, rather than uploading the individual worksheets. > He's accessing Excel through an OleDB connection, so aside from a few sticking points …