Thread: No Default Member Found for type

I'm using a class to create a list of items to show in a repeater. I'm getting an error saying "No default member found for type <Type>" when I try to use a DataItem in OnItemDataBound event.
BOL

Code:

    Public Class PolicyCommList
        Inherits List(Of PolicyCommissionBOL)
        Public Sub New()
        End Sub
        Private _page_error As String = String.Empty
        Public Property page_error() As String
            Get
                Return _page_error
            End Get
            Set(ByVal value As String)
                _page_error = value
            End Set
        End Property
    End Class
 
    Public Class PolicyCommissionBOL
 
        Private _introducer As String = String.Empty
        Public Property introducer() As String
            Get
                Return _introducer
            End Get
            Set(ByVal value As String)
                _introducer = value
            End Set
        End Property
 
     End Class

My Repeater:-

Code:

<asp:repeater ID="dlst_comm" runat="server" OnItemDataBound="dlst_comm_onitemdatabound">

Binding the repeater

Code:

            Dim commlist As PolicyCommList = CommBLL.GetCommList(PolicyDetails.policyref)
            If Not IsNothing(commlist) Then
                dlst_comm.DataSource = commlist
                dlst_comm.DataBind()
            Else
                lbl_nocomm.Visible = True
            End If

OnItemDataBound

Code:

    Protected Sub dlst_comm_onitemdatabound(ByVal s As Object, ByVal e As RepeaterItemEventArgs)
        If e.Item.ItemType = ListItemType.Item Or e.Item.ItemType = ListItemType.AlternatingItem Then
            Dim img_intro As Image = e.Item.FindControl("img_introducer")
            If Not String.IsNullOrEmpty(e.Item.DataItem("introducer")) Then img_intro.Visible = True
        End If
    End Sub

When I load the page I get this error:-
System.MissingMemberException: No default member found for type 'PolicyCommissionBOL'.
on line:-

Code:

            If Not String.IsNullOrEmpty(e.Item.DataItem("introducer")) Then img_intro.Visible = True

I can't see why there wouldn't be a value for introducer. Any ideas how I can fix this error?

Thanks

RR
From what I've found, the error seem to be unique to VB.NET and occurs during late binding events -- like databinding in a Repeater. I'm thinking the problem is in you ItemTemplate control and that the Repeater has no idea what property to bind to. Take a look at this MSDN article for info on this error; http://msdn.microsoft.com/en-us/library/zzh9ha57(VS.80).aspx.

Also, if you could post your ItemTempate code, we should get this sorted.

Code:

Protected Sub dlst_comm_onitemdatabound(ByVal s As Object, ByVal e As RepeaterItemEventArgs)
    If e.Item.ItemType = ListItemType.Item Or e.Item.ItemType = ListItemType.AlternatingItem Then
        Dim img_intro As Image = e.Item.FindControl("img_introducer")
        Dim myIntroducer As PolicyCommissionBOL = e.Item.DataItem
        If Not String.IsNullOrEmpty(myIntroducer.introducer) Then
            img_intro.Visible = True
        End If
    End If
End Sub

Shoot - I didn't even read the last code block -- that's what I get for doing lunch as the same time as posting.

Yeah, what I shoulda realized is that your original code was trying to index your object like you would a datatable. Since there was no specific method for handing the index, it was looking for the default property.

I least I think that's right -- I don't know -- unsure of my name -- where am I?