Dim usersInRole As String() = Roles.GetUsersInRole("HR_Base_Role")
Dim Myusers As New MembershipUserCollection
For Each UserName As String In usersInRole
Myusers.Add(Membership.GetUser(UserName))
Next
ComboBox2.DataSource = Myusers
上面的代码抛出“不支持指定的方法”。第一行的例外。任何人都知道这里做错了什么?