Zitat:

Machst du es mit ADO ? SQL? Ich würde es per Code anbinden und mit Hilfe einer SQL Abfrage (DISTINCT) anbinden. http://sql.1keydata.com/de/sql-distinct.php

 Private dbpath As String = System.IO.Path.Combine(Application.StartupPath, _
   "DB.mdb")
    Private conn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data" & _
    "Source=" & dbpath & ";")
    Private sql As String = "SELECT * FROM tabelle;"
    Private cmd As New OleDbCommand(sql, conn)
    Private da As New OleDbDataAdapter(cmd)
    Private ds As New DataSet
 
    Private Sub LOAD_Table()
            conn.Open()
            ds.Clear()
            da.Fill(ds, "tabelle")
            'Datagrid anbinden
            DataGrid1.SetDataBinding(ds, "tabelle")
 
            'Combobox anbinden
            cbo1.DataSource = ds
            cbo1.DisplayMember = "tabelle.Name"
            ...