WebMar 14, 2016 · 1. I would suggest using IndexOf instead of a simple equality to avoid casing problems. var myBooks = books.Where (x => x.author.IndexOf ("George R.R. … WebMar 1, 2024 · 1. You could run the foreach query by the desired keys only: foreach ( var item in dataList.Where ( i => i.Key == "name" ) ) { //use name items } This uses LINQ to include only the KeyValuePairs where Key is "name". You will have to add using System.Linq to the top of your source code file for this to work properly.
c# - How can I get LINQ to return the object which has the max value …
WebApr 24, 2014 · var has nothing to do with dynamic. var is simply implicit typing - the actual type is inferred from the type of the assignment, and that's resolved at compile-time (you get IntelliSense and can even get the IDE to tell you what var stands for by hovering the variable with your mouse cursor). dynamic, however, is resolved at run-time. Web6 Answers. Sorted by: 6. You can use the Find method on the generic list class. The find method takes a predicate that lets you filter/search the list for a single item. List list = // ..; CompareDesignGroup item = list.Find (c => c.FieldId == "SomeFieldId"); item will be null if there is no matching item in the list. dr khan swedish american
c# List Get Value by Key Or Index [duplicate]
WebDec 20, 2010 · You should probably be using the FindAll method: List results = myClassList.FindAll (x => x.item1 == "abc"); Or, if you prefer your results to be typed as IEnumerable rather than List, you can use LINQ's Where method: IEnumerable results = myClassList.Where (x => x.item1 == "abc"); Share … WebOct 16, 2012 · using System.Linq; list.Where (s=>s!=null && s.StartsWith ("S")).Count (); if Linq is not available. int count=0; foreach (string s in list) { if (s!=null && s.StartsWith ("S")) count++; } Share Improve this answer Follow answered Oct 16, 2012 at 9:56 Bob Vale 17.9k 41 49 Add a comment 4 Using linq makes this simple WebMar 3, 2024 · 143. You can use the Enumerable.Where extension method: var matches = myList.Where (p => p.Name == nameToExtract); Returns an IEnumerable. Assuming you want a filtered List, simply call .ToList () on the above. By the way, if I were writing the code above today, I'd do the equality check differently, given the complexities … coil stretch wristband