.net之使用SPSite构造函数的FileNotFoundException

我尝试实例在定制过程(MyApp.exe将)农场服务器上SPSite的一个实例，我把它作为参数整个URI(http://mysite:80/)。我还相信，在运行MyApp.exe帐户是Site Collection Administrator。

但是，我不能做什么，我试图做SPSite的一个实例。它总是抛出一个FileNotFoundException。

任何人有一个想法？

堆栈跟踪:

at Microsoft.SharePoint.SPSite..ctor(SPFarm farm, Uri requestUri, Boolean contextSite, SPUserToken userToken)
at Microsoft.SharePoint.SPSite..ctor(String requestUrl) at MyCompanyName.Service.HelperClass.GetItemStateInSharePoint(SharePointItem item) in C:\Workspaces\MyCompanyName\Development\Main\MyCompanyName.SharePoint\Service\HelperClass.cs:line 555

请您参考如下方法:

当在SharePoint配置数据库中找不到请求的网站集时，SharePoint将引发FileNotFoundException。我的猜测是您尚未在URL http://mysite:80上创建网站集。如果尝试使用不存在的网站集的URL实例化新的SPSite对象，则会看到以下堆栈跟踪:

System.IO.FileNotFoundException : The site http://server/sites/bah could not be found in the Web application SPWebApplication  
Name=SharePoint - 80 Parent=SPWebService. 
at Microsoft.SharePoint.SPSite..ctor(SPFarm farm, Uri requestUri, Boolean contextSite, SPUserToken userToken) 
at Microsoft.SharePoint.SPSite..ctor(String requestUrl)