Zurückschleifen von SOAP-Aufrufen und Direct Linking
Wenn Sie Code in Microsoft SharePoint Foundation schreiben, z. B. ein benutzerdefiniertes Webpart, eine benutzerdefinierte ASPX-Seite usw., sollten Sie direkte Aufrufe an Microsoft.Office.Excel.Server.WebServices.dll. You do this by linking directly to Microsoft.Office.Excel.Server.WebServices.dll.
Using Simple Object Access Protocol (SOAP) from a Web server to communicate with the same Web server is also known as using loop-back SOAP calls. It is strongly recommended that you do not attempt to use loop-back SOAP calls. If you are writing code within SharePoint Foundation, you should not use SOAP to call the Excel Web Services. You should instead link to Microsoft.Office.Excel.Server.WebServices.dll locally and make calls to it as you would any local assembly.
Location of Microsoft.Office.Excel.Server.WebServices.dll
You can find Microsoft.Office.Excel.Server.WebServices.dll in one of the following locations:
[Laufwerk:]\Programme\Common Files\Microsoft Shared\web server extensions\14\ISAPI
Global assembly cache
Adding a Reference to Microsoft.Office.Excel.Server.WebServices.dll
To link directly to Microsoft.Office.Excel.Server.WebServices.dll in your project and call it from your code, you add a reference to it. On the computer where you have installed Microsoft SharePoint Server 2010, using the Add Reference dialog box in Microsoft Visual Studio, you can do one of the following:
Select Excel Web Services from the Component Name list in the .NET tab.
Browse to Microsoft.Office.Excel.Server.WebServices.dll located in:
[Laufwerk:]\Programme\Common Files\Microsoft Shared\web server extensions\14\ISAPI
Siehe auch
Konzepte
Excel Services Known Issues and Tips
Sonstige Ressourcen
Schritt für Schritt: Entwickeln einer benutzerdefinierten Anwendung mit Excel Web Services