How do I search a List with a Sublist

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Hi,

I´m somewhat new to VB.Net and have a problem here:

I have two classes: Products and Components

Products
productnumber
mycomponentlist List(of Components)
...
Components
componentnumber
...

I now want to search for a componentnumber in

myProductlist List(of Products) to get all Products with this component.

How can I do this without using several For-Loops?

What i found was something like this:
Dim results As List(Of Components)
results = mycomponentlist.FindAll(Function(column) column.componentnumber= "123")

Posted 27-Nov-14 20:55pm

Member 11065898

Updated 27-Nov-14 21:27pm

v2

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2 solutions

Solution 2

try use this condition
if(ListProducts.Intersect(sublist).Count > 0)

Posted 27-Nov-14 21:55pm

Anand Kumar Devendran

Updated 27-Nov-14 21:56pm

v3

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OriginalGriff · Accepted Answer · 2014-11-27T21:51:00

Solution 1

Try:

VB

Dim results = myProductList.Where(Function(pp) pp.MyComponentList.Where(Function(cc) cc.ComponentNumber = 123).Count() <> 0)

Posted 27-Nov-14 21:51pm

OriginalGriff