Net 2 at the latest and Windows 8 comes with 4. I found a simple way around this problem. These copies of the assemblies are used when you write code and build projects. In this example, I want to support Office 2007, 2010 and 2013. Is there a place where we can read something more about the way you mentioned? I cannot say if it is required since I always had one on my machine. Visual Studio said that I need to add references to the project.
Just few minutes ago I noticed a question in this site that used this namespace in its code: Microsoft. These copies of the assemblies are used during some development tasks, such as when you run or debug projects. Net 2 into Visual Studio 2013, it makes use of the Microsoft Primary Interop Assemblies. Thank you for your understanding. Core nasmepace, which is part of Microsoft Office Object Library. Credits I would like to give credits to John Skeet for mentioning. The only thing which makes me a little more relieved is that a lot of people having the same problem to understand how it works :- I'll take a deep look into the given link.
That would be great 'cause I've found a lot of same questions about the interop assemblies and many People they don't know how to work that Problem out. This means different versions of Microsoft Office installed. Double check that the property Embed Interop Types is set to true. Click to participate the survey. Office 2007 has the 12.
The following table lists the primary interop assemblies that are available for Office 2013 and Office 2010. Solving the issue when neither takes care of it, an entirely too common mishap. Hello, I have some Windows applications developed with C , that export data to excel. I have Office 2013 Now what I would like to know is. Running on the client environment, our product will make use of the installed version, whatever this version might be. If you take a closer look at them with, say, ildasm. Best Regards, Edward We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time.
Supported since Visual Studio 2010, you'll find it back in the Properties window when you select a reference assembly. Deploying them is squarely your job, the client cannot help. You can get your own interops :. So if a cell's content is filled by a formula you will not know what value the cell has unless you use real Office automation. So, be sure to build with the correct oldest version of the Office Interop assemblies. Note Some assemblies are added to a project automatically when an assembly that references them is added. To create this article, volunteer authors worked to edit and improve it over time.
You should avoid adding references to these versions of the assemblies, because there are some development issues that can occur when you use them. I have had Office 2007 installed for some time on this machine and are just now trying to install Business Contact Manager from a new disk I purchased. George Zhao TechNet Community Support Please mark the reply as an answer if you find it is helpful. You can us the bar at the top to find Office products for home and student use, for business use, and for Mac computers. They've kept it up for 15 years now but it has been running out of steam.
Use features of multiple Microsoft Office applications in a single project Every Office project template in Visual Studio is designed to work with a single Microsoft Office application. You should now be able to build without the need of an Office installation on your machine. Right click on References and add the Excel Interop reference. If you do not see those Microsoft. Tests I tested this solution on multiple computers with different settings. A online repair fixes it, but do you have any idea how to avoid this? Visual Studio does not install and register these assemblies; you must do this yourself.
I am going to explain in detail how to do this in this article. If so, Office 2016 Primary Interop Assemblies will be installed, and you could use Microsoft Excel 16. Scroll down to Tools Downloads. Setting up the Visual Studio project As we know we want to target Office 2007 12. Only the Word 16 Object Library is there which is not the same as the interop assembly. Therefore, I choose Office 2007 as my lowest version. This article has also been viewed 14,236 times.
Add returns a worksheet ok, but it secretly creates a new instance of the. Funny if they're all with the same Problem. Sheets collection without our explicit reference. Instead of adding a reference to the Microsoft. The workflow is a little different.
For compatibility with the different versions of Windows I'm using the. After that the same solution started working. For example, when a solution that references a Office 2010 assembly runs on a computer that has the Office 2013 version of the same primary interop assembly, the binding redirect assembly instructs the. It took a number of tries, but I finally tracked down a working installer. Interop assemblies as available in the Add Reference dialog,. That's just part of the history. A good video that covers the underlying technology is.