Class not registered error when creating Excel workbook in C#When I try to access an Excel spreadsheet using the following code I get a "Library not registered' error when defining the workbook object wrkbuk using C# from Visual Studio 2. Office 2. 00. 7 (ver 1. ![]() Microsoft. Office.Interop. Excel. Application excapp = new Microsoft.Office. Interop. Excel. The Conjuring 1080P Subtitles Download Free . Application(). string bookname = @"C: \Users\Public\Documents\RECRUITMENT & SELECTION\MOVEMENTS\MOVEMENTS\Miscellaneous Documents\Vacancies.REAL. xls". Workbook wrkbuk = excapp.Workbooks. Open(bookname). · Authoring Tools and RDL. There are many ways to author a report for Reporting Services. Both SQL Server and Microsoft® Visual Studio® 2005 include a. Interested in boosting your employee productivity by being a participatory leader? Read the most comprehensive participative leadership guide on earth. TheINQUIRER publishes daily news, reviews on the latest gadgets and devices, and INQdepth articles for tech buffs and hobbyists. At a White House press conference today, President Trump accused former FBI director James Comey of perjuring himself before the US Senate—a very serious charge. Worksheet wrksht = new Worksheet(). The error details are. System. Invalid. Cast. Exception was unhandled. HResult=- 2. 14. 74. Message=Unable to cast COM object of type 'Microsoft. Office. Interop. Excel. Application. Class' to interface type 'Microsoft. Office. Interop. Excel._Application'. This operation failed because the Query. Interface call on the COM component for the interface with IID '{0. D5- 0. 00. 0- 0. 00. C0. 00- 0. 00. 00. Library not registered. Exception from HRESULT: 0x.D (TYPE_E_LIBNOTREGISTERED)).Source=mscorlib. I've created a reference to Microsoft.Office. Interop. Excel.Office 1. 4 Primary Interop Assembly that comes with VS 2.Office 1. 2 version of the dll and neither fixes the problem. Ca Visual Objects For Windows . I've tried registering the dlls with regasm but this does not help either. I can create the worksheet wrksht on the following line OK with the Office 1. Office 1. 2 dlls so the problem seems only affect workbook definition. Dec 1. 7 2. 01. 3Tried reinstalling Office 2. ![]() ![]() It was athttp: //social. Forums/vstudio/en- US/d. Problem is code from multiple versions of Office - I had code from Office 1.VS 2. 01. 2 install.I suspect that VS 2.RC has installed the Office 2. Indonesian Committee For Franchises And Licenses . I got. that specific error message ('unable to cast. Application'..'TYPE_E_LIBNOTREGISTERED') after a messy uninstall, and then re- installing an older version of Office. I solved it by. following the advice of another forum thread here which I'm sadly. I searched the registry for the CLSID in. C0. 00- 0. 00. 00. Its. registry key contained two keys, one of which was called 'Type. Lib'. which in turn contained another CLSID for the type library. I then. searched the registry, starting at the beginning again, for that. CLSID, which led me to the relevant interop type library. It. had two entries.. Office.. which I deleted..
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