dont forget the return syntax it took me one hour, Very neat! Did the drapes in old theatres actually say "ASBESTOS" on them? Use method syntax. Not the answer you're looking for? Find centralized, trusted content and collaborate around the technologies you use most. There are several different ways to accomplish but here is one using linq and one with out this would allow you to reuse this and do different things to each item. But,in my case, I must repeat the foreach in many collections, and I didn't want to repeat the loop. 10 : (tl.name == "marks" ? If you want the index of the element, this will do it: You can't get rid of the lambda in the first pass. The code looks like this: For the life of me, I can't seem to figure this one out. It should not be hard to analyze the complexity of this. EDIT: Short story about swapping bodies as a job; the person who hires the main character misuses his body. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. LINQ is about querying, not for updating collections. Short story about swapping bodies as a job; the person who hires the main character misuses his body. Besides checking for it's existance with if, first. using Linq would be: listOfCompany.Where(c=> c.id == 1).FirstOrDefault().Name = "Whatever Name"; How can I get the index of an item in a list in a single step? Not the answer you're looking for? I think you try to add a complete list instead of a single CheckItems instance. Here is an example. To learn more, see our tips on writing great answers. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, No offense, but this seems like using Linq for the sole purpose of using linq, not because it's actually solving a problem (as a matter of fact, it's created a problem), I may be wrong, but I thought there is no, How a top-ranked engineering school reimagined CS curriculum (Ep. Not the answer you're looking for? If you make your expression return a value, and add something that will fully evaluate the query, such as ToList (), to the end, then it will "work", ie: Since you haven't given any indication to what you want, here is a link to 101 LINQ samples that use all the different LINQ methods: 101 LINQ Samples.
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