excel-interop

I need to build an excel sheet from a list of test-cases in a specific format in order to upload it it to the server. I've trubles to populate the two dimensional range of "expected" and "actual" in the file. I use the same methods in order to populate the headers, which is a one-dimensional array, and the steps (which is two-dims). The flow is: Defunding the TestCase range (some headers + steps). Let's say: A1 to E14 for the 1st iteration. Depunding a sub (local) range within the testCase range for the headers (e.g: A1 to C1). Depunding another sub (local) range within the testCase range for

I have an application written in VB.NET that interacts with Excel via interop. I eventually ran into the known issue of Cell-edit mode (see MSDN and stackoverflow for some background). I have been trying to convert the suggested code to VB.NET but keep getting the following error: Reference required to assembly 'office, Version=11.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' containing the type 'Microsoft.Office.Core.CommandBars'. Add one to your project. (BC30652) - E:\ ... .vb:3471 The original C# code (from previosuly mentioned articles) is as follows private bool IsEditMode() {

When I run the following code, I get the exception below: ''# NOTE: ExcelApp is a Private main form variable Dim ReportBooks As Excel.Workbooks = ExcelApp.Workbooks Dim ReportBook As Excel.Workbook = ReportBooks.Open(localFilename) Dim ReportSheet As Excel.Worksheet = ReportBook.Sheets("Report") ''# Retreive data from sheet ReleaseCOM(ReportSheet) ReportBook.Close(True) ''# Error raised here ReleaseCOM(ReportBook) ReleaseCOM(ReportBooks) ERROR: COMException was unhandled The object invoked has disconnected from its clients. (Exception from HRESULT: 0x80010108 (RPC_E_DISCONNECTED)) Note: All

I have a C# console program. When it runs, it instantiates some Excel objects such as: (openExcelO). When the program is done running, I have a method to close down Excel (closeExcel) and that is supposed to properly clean up the Excel process. In task manager I can see the remnants of Excel that remain. The shut down routines were cobbled together from internet examples: private void openExcelO (string dir) { try { xlApp = new Excel.Application(); xlWorkBook = xlApp.Workbooks.Open(dir + "PortfolioOptimization5.xlsm", 0, false, 5, "", "", true, Microsoft.Office.Interop.Excel.XlPlatform

Here is my minimal example producing the problem: using System.Runtime.InteropServices; using System.Threading.Tasks; using Excel = Microsoft.Office.Interop.Excel; class Program { static void Main(string[] args) { Task.Run(() => { Excel.Application app = new Excel.Application(); if (app != null) { app.Quit(); Marshal.FinalReleaseComObject(app); app = null; } }); } } This results in the following exception: The last part in Japanese says the "EventSetInformation" of DLL advapi32.dll entry point cannot be found . I'm having difficulty understanding what is going on. Basically why is this

I'm trying to transfer data from a DataSet into an Excel workbook. Unfortunately, I need more control than I can get by simply linking to Excel via ADO.NET and using standard SQL to select and insert the data, so I'm using excel interop. My original algorithm involved looping through all the tables/rows/items of the data set and individually setting the Formula of each cell in Excel. This worked, but it was taking nearly half a minute to transfer all the data. I decided to try a different solution: convert each table to a tab-delimited string (using a combination of StringBuilder and string

For the current code: String currentPath = Directory.GetCurrentDirectory(); OpenFileDialog op = new OpenFileDialog(); op.InitialDirectory = currentPath; if (op.ShowDialog() == DialogResult.OK) currentPath = op.FileName; else { toolStripStatusLabel1.Text = "Failed to Load Workbook"; toolStripStatusLabel1.Visible = true; } Workbook wb = new Workbook(excel.Workbooks.Open(currentPath)); I recieve the error: System.Runtime.InteropServices.COMException was unhandled Message=Retrieving the COM class factory for component with CLSID {00020819-0000-0000-C000-000000000046} failed due to the following