import 那个类的命名空间?在同一个文件中,还需要import 那个类的命名空间吗?
Public Function select_userrole() As DataView
Dim connection1 As New SqlConnection(ConfigurationSettings.AppSettings.Item("connectionString"))
Dim adapter1 As New SqlDataAdapter("select * from userrole order by ordernum desc ", connection1)
Dim set1 As New DataSet()
adapter1.Fill(set1, "userrole")
Return set1.Tables.Item("userrole").DefaultView
End Function
这个包含在dbuserrole类中
引用发生在另外一个类中 Dim view2 As DataView = New DBUserRole.select_userrole()
编译错误也是出在这!