How to set a value in datagridview in Vb.Net

If e.ColumnIndex = 5 Then


            If Me.dgvData IsNot Nothing AndAlso Me.dgvData.CurrentRow IsNot Nothing Then
Me.dgvData.CurrentRow.Cells("Made_Cost").Value = Me.dgvData.CurrentRow.Cells("ItemmPrice").Value  *    Me.dgvData.CurrentRow.Cells("Made_Item").Value
            End If

End If