Need help i get an error on no value given for one or more required parameters.

when i select my datagridview i get error message on (error on no value given for one or more required parameters.) can help me take a look.

Private Sub dgvData_CellEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dgvData.CellEnter
        If dgvData.SelectedCells.Count > 0 Then
            loadTransactions(dgvData("cid", dgvData.CurrentCell.RowIndex).Value)
        End If
    End Sub

 Private Sub loadTransactions(ByVal transactionid As Integer)
        Dim dt As New DataTable
        Using cnn As New OleDbConnection("Provider=Microsoft.Jet.Oledb.4.0; Data Source=mydataX.mdb;")
            Using cmd As New OleDbCommand("SELECT i.cid as [ID], c.CheckerName as ItemName, " & _
                                     "i.CompanyName, i.ModelName, i.TrackChecker as [CheckerName], i.Date, i.Category, i.PIC, i.OtherPIC, i.Remarks" & _
                                     " FROM tbl_Info i left join tbl_checker c on c.cid = i.checkercid WHERE i.checkercid = @transactionID ORDER BY i.cid", cnn)


                cmd.Parameters.Add("transactionID", OleDbType.Integer).Value = transactionid
                cnn.Open()
                dt.Load(cmd.ExecuteReader) [i get a error message [ no value given for one or more required parameters. ]

            End Using
        End Using
        DataGridView1.DataSource = dt
    End Sub