'Load
        Dim SQLs As String = "SELECT * FROM taddSprachcode"
        Dim tmpReader As OleDbDataReader
 
        Dim Command As OleDbCommand = New OleDbCommand(SQLs, gTedecConnection)
        cAdapter = New OleDbDataAdapter(Command)
        Command.Connection.Open()
        tmpReader = Command.ExecuteReader()
        cTable = New DataTable
        cTable.Load(tmpReader)
        Command.Connection.Close()
        DataGridView1.DataSource = cTable
 
'Refresh
        cAdapter.Update(cTable) '<<-- Hier neue Frage
        cAdapter.SelectCommand.Connection.Open()
        Dim tmpreader = cAdapter.SelectCommand.ExecuteReader
        cTable.Clear()
        cTable.Load(tmpreader)
        cAdapter.SelectCommand.Connection.Close()