interop

Here I'm opening excel and writing to excel sheet. I'm changing my windows application to asp website and seen this error. I have added all the references and libraries. Don't know what I am missing here. Getting error as mentioned below. Please help me. Excel.Application excel = new Excel.Application(); excel.Visible = false; // to hide the processing Excel.Workbook wb = excel.Workbooks.Add(); Excel.Worksheet sh = wb.Sheets.Add(); // Error at wb sh.Name = "Links"; for (int i = 1; i < list.Count; i++) { sh.Cells[i.ToString(), "A"].Value2 = list[i]; //Error at .Value2 } you have to create a new

I've read the various MSDN pages on C++ Interop with P/Invoke here and here but I am still confused. I have some large arrays of doubles that I need to get into native code, and some resulting arrays that need to get back. I do not know the sizes of the output arrays in advance. For simplicity, I will use only a single array in the example. The platform is x64; I read that marshalling internals are quite different between 32- and 64-bit environments so this might be important. C# [DllImport("NativeLib.dll")] public static extern void ComputeSomething(double[] inputs, int inlen, [Out] out

Currently developing a Windows Phone 8 application in pure C++/Direct3D. We now need to access the Device Manufacturer name but it seems to only be available under C# which, according to my research is not accessible from this type of application. This page lists some of the calls I would like to use: http://msdn.microsoft.com/en-us/library/windowsphone/develop/microsoft.phone.info.devicestatus(v=vs.105).aspx . // If only I could call this line from C++ DeviceStatus.DeviceManufacturer; Is there anyway to get this information without having to refactor the app as a XAML/C++ hybrid application

I'm developing a windows service, generating a report. This report has a template. This template is prepared in an excel file. This file is copied to the output folder. While developing I launched the service like a console application and had no problems accessing this file. Then I prepared a service installer. The service is installed under Local System account. So this excel template file is marked as content and copied to the installation directory together with the executable as well. But when the service is launched excel appears to have no access to this file. The service is installed

What is the troubleshooting process for the "Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error: 80080005" errors in .Net? To clarify: I am getting this at runtime, on my XP machine, with client being .net code running under admin account. {XXXX} refers to one of our in-house COM components. From what I understand, 0x80080005 refers to "permission denied", but where do I go to check/change the permissions? Or am I completely wrong here, and the error is coming from the component itself, and not out of Windows COM subsystem? Seems to be a rather

I tried to follow How to open an Excel file in C# tutorial, i.e. added a reference on the Com tab to Microsoft Office 14.0 Object Library and tried to compile code: using Excel = Microsoft.Office.Interop.Excel; //... Excel.Application xlApp; Excel.Workbook xlWorkBook; Excel.Worksheet xlWorkSheet; xlApp = new Excel.ApplicationClass();//error here //... and faced a compile-time error, saying There is no constructor defined for Microsoft.Office.Interop.Excel.ApplicationClass type. What am I missing? Try this: Excel._Application xlApp = new Excel.Application(); Use the following to open it: xlApp