How to pass line item custom field value to sales order from opportunity?

Question

I have a custom line number field in opportunity product tab for customer to re-sequence the selected products and the grid is sorted on custom field value.

I am trying

Answer 1

You can implement RowInserting Event handler as below:

graph.RowInserting.AddHandler((cache, args) =>
{
    var soLine = (SOLine)args.Row;
    CROpportunityProducts opProduct = PXResult.Current;
    SOLineExtNV soLineExt = PXCache.GetExtension(soLine);
    CROpportunityProductsExtNV opProductExt = PXCache.GetExtension(opProduct);
    soLineExt.UsrLineNo = opProductExt.UsrLineNo;
});