How to get a List<.> if it is present in second List<>

I have a 3table 1)Customer-FK-1)Companytable different Customer accoding to company and another is 3)Product table. In 3)Product table CustomerID is foreign key.

I will have 2 List1) is List,2)List

List will store only those customer who is belong to a particular company

if I use 3rd list its very easy but i want to store data in 2nd List

if customer available inCustomer customer list will fill according to company

You can use intersect as show below.

 

 

Hi

Try the below code

For detail check the link

http://stackoverflow.com/questions/19539822/exclude-items-of-one-list-in-another-with-different-object-data-types-linq

http://stackoverflow.com/questions/1202981/select-multiple-fields-from-list-in-linq

http://stackoverflow.com/questions/14693578/compare-two-lists-and-save-matching-column-to-a-separate-list