C# – How to Trigger Datagridview.cellValidating manually

I am inserting few records in my Datagridview from another table, I want to call CellValidating event for every record I insert. Please help me out.

Here is my code

            m_Sqlstr = "Select Distinct RFID, Prod_Code, Lot_No From  ScanStk Where BatchNo = '" & strBatchno & "' "
            m_SqlCmd = New SqlCommand(m_Sqlstr, Con)
            Con.Open()
            RFIDReader = m_SqlCmd.ExecuteReader(CommandBehavior.CloseConnection)

            With m_BindingsrcDetail
                    While RFIDReader.Read
                        .AddNew()
                        .Current("SR") = m_BindingsrcDetail.Count
                        .Current("LOT_NO") = RFIDReader("LOT_NO").ToString.Trim
                        .Current("PROD_CODE") = RFIDReader("PROD_CODE").ToString
                        .Current("QUANTITY") = 1
                        GrdDetails.BeginEdit(False)
                        GrdDetails.CurrentRow.Cells("Prod_code").Value = RFIDReader("PROD_CODE").ToString
                        GrdDetails.EndEdit()
                    End While
            End With

grddetails is the name of grid,
m_BindingsrcDetail is datasource for grdDetails

According to This , You should be able to force the validation trigger using BeginEdit and EndEdit. but its not happening.

I am fetching Product description, MRP and other details in cell validating. So it necessary to call it.