combobox .. weird why ?

[spoiledkid]

This is my code and its not loading records in combobox, even though the rows are there in dataTable ??? why ??

Private Sub LoadParentEntities()
        Dim b_entity As New B_Entity
        Dim ddataTable As New DataTable
 
        ddataTable = b_entity.GetEntities()
        LoadParentEntities_CallBack(ddataTable, 20)
    End Sub
 
    Private Sub LoadParentEntities_CallBack(ByVal objectData As DataTable, ByVal recordCount As Long)
        Dim i As Integer
 
        Try
            With cboParentEntity
                .DataSource = objectData
                .DisplayMember = "Entity_Label"
                .ValueMember = "Entity_Guid"
            End With
            
 
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
    End Sub