GroupPrincipal 方法 FindByIdentity 抛出奇怪的异常

GroupPrincipal method FindByIdentity throw strange exception(GroupPrincipal 方法 FindByIdentity 抛出奇怪的异常)

问题描述

我正在尝试按组名获取所有用户并将其显示在 sharepoint webpart 中.adGroupName 类似于 = "CompanyGroup".

I am trying to get all users by group name and dispalay it in sharepoint webpart. adGroupName something like = "CompanyGroup".

GroupPrincipal grp = GroupPrincipal.FindByIdentity(ctx, IdentityType.Name, adGroupName);

异常:

为了执行此操作，必须在连接上成功绑定

In order to perform this operation a successful bind must be completed on the connection

为什么会这样，我做错了什么?

Why is that and what i am doing wrong?

堆栈跟踪:

       at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail)
   at System.DirectoryServices.DirectoryEntry.Bind()
   at System.DirectoryServices.DirectoryEntry.get_AdsObject()
   at System.DirectoryServices.PropertyValueCollection.PopulateList()
   at System.DirectoryServices.PropertyValueCollection..ctor(DirectoryEntry entry, String propertyName)
   at System.DirectoryServices.PropertyCollection.get_Item(String propertyName)
   at System.DirectoryServices.AccountManagement.PrincipalContext.DoLDAPDirectoryInitNoContainer()
   at System.DirectoryServices.AccountManagement.PrincipalContext.DoDomainInit()
   at System.DirectoryServices.AccountManagement.PrincipalContext.Initialize()
   at System.DirectoryServices.AccountManagement.PrincipalContext.get_QueryCtx()
   at System.DirectoryServices.AccountManagement.Principal.FindByIdentityWithTypeHelper(PrincipalContext context, Type principalType, Nullable`1 identityType, String identityValue, DateTime refDate)
   at System.DirectoryServices.AccountManagement.Principal.FindByIdentityWithType(PrincipalContext context, Type principalType, IdentityType identityType, String identityValue)
   at System.DirectoryServices.AccountManagement.GroupPrincipal.FindByIdentity(PrincipalContext context, IdentityType identityType, String identityValue)
   at NewCo.Intranet.Common.DataAccess.ADUserManager.GetUserForGroup(String adGroupName, Boolean recursive)
   at NewCo.Intranet.Common.DataAccess.ADUserManager.GetMemberForCurrentSite()
   at NewCo.Intranet.Components.WebParts.ADGroupMembers.ADGroupMembersUserControl.Page_Load(Object sender, EventArgs e)

DirectoryServicesCOMException {"发生操作错误. "}

DirectoryServicesCOMException {"An operations error occurred. "}

推荐答案

在博客中找到答案:

http://sharepoint-tweaking.blogspot.com/2007/12/impersonation-in-aspnet-causes.html

解决方案是使用代码:

using (HostingEnvironment.Impersonate()) {
     // This code runs as the application pool user
     DirectorySearcher searcher ...
}

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