2024 C# list contains all of another list

C# list contains all of another list

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August undefined, 2024

WebOct 9, 2024 · Syntax List.ContainsAll ( list as list, values as list, optional equationCriteria as any) as logical About Indicates whether the list list includes all the values in another list, values. Returns true if value is found in the list, false otherwise. An optional equation criteria value, equationCriteria, can be specified to control equality testing. WebOct 4, 2009 · I have the following method: namespace ListHelper { public class ListHelper { public static bool ContainsAllItems (List a, List b) { return b.TrueForAll (delegate (T t) { return a.Contains (t); }); } } } The purpose of which is to …

c# - If a list of object has matching elements from another list

WebJan 25, 2013 · There is probably a simple one-liner that I am just not finding here, but this is my question: How do I check if an ArrayList contains all of the objects in another ArrayList? WebSep 5, 2024 · 1. With the "without LINQ" condition removed, possible duplicate of Most efficient way to compare two lists and delete the same. Not all that different from Find if listA contains any elements not in listB, Use LINQ to get items in one List<>, that are not in another List<>, or Difference between two lists. – Lance U. Matthews. phone confetti and a wee dingle cast

java - Check if an ArrayList contains every element from another ...

WebYou don't actually need LINQ for this because List provides a method that does exactly what you want: Find. Searches for an element that matches the conditions defined by the specified predicate, and returns the first occurrence within the entire List. Example code: PricePublicModel result = pricePublicList.Find(x => x.Size == 200); WebAug 4, 2013 · 4 Answers Sorted by: 4 This takes each part of ListA and compares it with ListB with SequenceEqual: bool containsSameSequence = ListA .Where ( (item, index) => index <= ListA.Count - ListB.Count) .Select ( (item, index) => ListA.Skip (index).Take (ListB.Count)) .Any (part => part.SequenceEqual (ListB)); Demo WebFor your above query you can also use Any() and Contains() both , it will work as According to you filter is collection which has Ids and Entity2 both are also collection , so assuming that i wrote this,. query = query.Where(x => filter.Where(a=> a.Entity2.Any(y=> a.Ids.Contains(y.testId)); but in your query also you can remove First() and can use … phone conferencing system

c# - How to find if an element of a list is in another list? - Stack ...

how to check that a list contains another list item in C#

WebTo check if an element is present in the list, use List.Contains () method. The definition of List.Contains () method is given below. bool List.Contains (int item) If given element is present in the list, then List.Contains () returns True, else, it returns False. Example 1 – Check if Element is in C# List using Contains () WebMar 31, 2015 · How to find a string is already present in a list.For example i have a list that contains data now if i want to write the data in to another list during this i want to keep a condition whether the string is already present in the list.I am using the below code but its not working can you kindly help me C# phone conferencing zoomWebAnd I have a list of objects which looks like this. class Object A{ string id; string Name; } How can I find all the objects which has matching list of strings. I tried: listOfA.Where(x … how do you make blackened salmon

"WebMay 28, 2013 · C# Check if a List is a part of another List [duplicate] Ask Question Asked 9 years, 10 months ago. Modified 4 years, 6 months ago. ... Determine if a sequence contains all elements of another sequence using Linq. Check whether an array is a subset of another. Share. Follow edited May 23, 2024 at 12:09. " - C# list contains all of another list

C# list contains all of another list

C# LINQ: How to use Any(), All() and Contains() - Eamon Keane

WebDec 13, 2024 · Using linq, how can I retrieve a list of items where its list of attributes match another list? Take this simple example and pseudo code: List listofGenres = new List () { "action", "comedy" }); var movies = _db.Movies.Where (p => p.Genres.Any () in listofGenres); c# linq Share Follow edited Dec 13, 2024 at 10:41 Luke Girvin WebFeb 28, 2024 · The ways to do this is by using a combination of Any and All. You need to check if all the elements of wordsToFind are substring of any elements in StringList bool result = wordsToFind.All (word => currentObject.StringList.Any (str => str.Contains (word)); This is for one object out of the list of Objects. You can again apply All to that list.

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WebMar 30, 2015 · How to find a string is already present in a list.For example i have a list that contains data now if i want to write the data in to another list during this i want to keep … WebThis method determines equality by using the default equality comparer, as defined by the object's implementation of the IEquatable.Equals method for T (the type of values in the list). This method performs a linear search; therefore, this method is an O ( n) operation, where n is Count.

WebApr 2, 2013 · c# - Find items from a list which exist in another list - Stack Overflow Find items from a list which exist in another list Ask Question Asked 10 years ago Modified 2 years, 7 months ago Viewed 93k times 53 I have a List PropA { int a; int b; } and another List PropX { int a; int b; } WebFeb 8, 2014 · I have an entity Person which has a list of locations associated with it. I need to query the persons table and get all those that have at least one location from a list of locations (criteria). ... Is there a way to loop through a List of strings against a database value in C#-1. ... Check if list contains element that contains a string and ...

WebAug 29, 2013 · The first approach uses a loop: bool isFound = false; foreach (item1 in list1) { if (list2.Contains (item1)) { isFound = true; break; } } The second one uses Linq directly: bool isFound = list1.Intersect (list2).Any (); The first one is long to write and not very straightforward/easy-to-read.

WebThis method determines equality by using the default equality comparer, as defined by the object's implementation of the IEquatable.Equals method for T (the type of values in …

WebJun 20, 2024 · List.Exists (Predicate) Method is used to check whether the List contains elements which match the conditions defined by the specified predicate. Properties of List: It is different from the arrays. A list can be … how do you make blackening seasoningWebMay 21, 2024 · Let's clear up any confusion you have related to the LINQ methods Any(), All() and Contains(). They're extremely useful for querying (asking questions about) your data. I'll first explain how they work at a high level and then give an example of each one. Important: All three of these methods return a boolean (true/false). Your result will ... phone conked offWebFor your above query you can also use Any() and Contains() both , it will work as According to you filter is collection which has Ids and Entity2 both are also collection , so assuming … how do you make blanched almondsWebSep 12, 2013 · The basic answer is: you need to iterate through loop and check any element contains the specified string. So, let's say the code is: foreach (string item in myList) { if (item.Contains (myString)) return item; } The equivalent, but terse, code is: mylist.Where (x => x.Contains (myString)).FirstOrDefault (); phone confirmation web designWebNov 5, 2024 · 3 I want to check if one list contains all the elements of another list, for example: (a,b,c,d) contains (c, a, d) = true (a, b, c, d) contains (b, b, c, d) = false I tried things like this: static bool ContainsOther (IEnumerable a, IEnumerable b) { return new HashSet (a).IsSupersetOf (new HashSet (b)); } how do you make bleaching traysWebDec 12, 2013 · So I have two lists: One of ObjectB (ListObjectB) and Another contains a list of id's of ObjectA (called ListOfIdsA). If this i want to get a list of ObjectB where ObjectB.ListOfObjectA is in the ListOfIdsA. My first (and wrong) approach was ListObjectB.Where (p=> ListOfIdsA.Contains (p.ListOfObjectA.Select (b=>b.Id))) how do you make blancmangeWebAnd I have a list of objects which looks like this. class Object A{ string id; string Name; } How can I find all the objects which has matching list of strings. I tried: listOfA.Where(x => listoFstrings.Contains(x.id)).Select(); But it is not working, it is pulling all the other objects which doesn't have a matching string. how do you make blisters heal faster