Filter list by another list c#

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WebC# List without Elements of another List (set theory, complement) 0. Return a List that has items that do not exist in a List-1. How to filter the list of object with list of object? 0. C# compare specific item property between two lists. 648. LEFT OUTER JOIN in LINQ. 64. Webint [] filteredTags = new int [] {1, 3}; I want to filter my list ( projects) to only return projects that have ALL of the tags listed in the filter (in this case at least tag 1 AND tag 3 in the Tags property). I was trying to use Where () and Contains () but that only seems to work if i am comparing against a single value.

c# - MongoDb use filter to match a list - Stack Overflow

WebApr 14, 2024 · result = m_list.findAll (item => filters.Contains (item.name =="name" && item.category == "category" && item.price= "price")); Of course I can do this but for that I should have a fixed amount of items in the filters list. I want to add dynamic behavior in this filter operation so it can handle any number of parameters in the filters list and ... WebMar 29, 2024 · After which you can use it in the filter. list.DeleteMany (Builders.Filter.In ("_id", extractedIds)); Make sure that the _id part of the filter matches that of the MessageExchange class. Another way to do so is by making it strong typed: list.DeleteMany (Builders.Filter.In (x => x.Id, … facts about the wizard of oz 1939

linq - Filter a list by another list C# - Stack Overflow

WebJun 28, 2012 · How can I filter-out values from the "dataset" list which contain any keyword from the "excluded" list? c#.net; linq; filtering; Share. ... that are not in another List<> 1277. Call one constructor from another. 198. How to merge 2 List and removing duplicate values from it in C#. 413. Difference in months between two dates. 894. Entity ... WebAug 12, 2016 · In this Code Snippet, I will be going to explain the example of apply Filter in List by Another List. WebJan 4, 2024 · C# filter list with FindAll In the following example, we filter a list with the built-in FindAll method. Program.cs var vals = new List {-1, -3, 0, 1, 3, 2, 9, -4}; List filtered = vals.FindAll (e => e > 0); Console.WriteLine (string.Join (',', filtered)); The example finds out all integer values that are greater than zero. facts about the woman at the well

c# - How do i filter one list from another list using linq

c# - Exclude list items that contain values from another list

WebJan 24, 2024 · Coming from a C# background and being a complete PowerShell novice, I am trying to make a simple filtering based on two lists/arrays. Goal: filter elements of list 'toFilter' based on list 'filter', so to only keep elements of 'toFilter', which are matching at least one of the patterns listed in 'filter'. WebMay 10, 2024 · Now, your list could look like: C# List Categories = new List () { new Category ( "Books", "001" ), new Category ( "Cars", "002" ), new Category ( "Tools", "003" ) }; And another list of categories (CategoryCode): C# List lst = new List () { "Cars" , "Dogs" }; Finall query: C# dog being sick white foam ukWebMar 29, 2024 · Filtering a list using another list in C# - Chubby Developer Language Integrated Query, also known as LINQ, is a powerful query language that is introduced in … facts about the woods

"WebI want to filter the fileLst to return only files containing any of folder names from the filterList. (I hope that makes sense..) I have tried the following expression, but this always returns an empty list. var filteredFileList = fileList.Where(fl => fl.Any(x => filterList.Contains(x.ToString()))); " - Filter list by another list c#

Filter list by another list c#

In C#, how can I filter a list using a StartsWith() condition of ...

WebJun 17, 2013 · c# - Linq filter a list of objects based on another list - Stack Overflow Linq filter a list of objects based on another list Ask Question Asked 9 years, 9 months ago Modified 9 years, 9 months ago Viewed 5k times 1 I have a list of Things which each have a List of Countries property: WebMar 15, 2024 · Example code: List A = //some list of strings List B = //another list of strings, the same length as A List res = new List (); //new list to collected the filtered result for (int i = 0; i < A.Count; i++) if (B [i] == someVal) res.Add (A [i]); I'm hoping to have something along the lines of (fake code):

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WebJan 24, 2024 · Linq get list of indexes matching a condition to filter another list against. List MList = new List (new double [] { 0.002, 0.123, 0.457, 0.237 ,0.1}); I would like to use Linq, to retrieve from that list, all indexes of items below a value, so if the value to compare against is 0.15 it sould result the folowing indexes : 0,1,4.

WebIf you're using C# 3.0 you can use linq, which is way better and way more elegant: List myList = GetListOfIntsFromSomewhere (); // This will filter ints that are not > 7 out of the list; Where returns an // IEnumerable, so call ToList to convert back to a List. List filteredList = myList.Where (x => x > 7).ToList (); Web對於您上面的查詢，您還可以同時使用Any()和Contains() ，它的工作方式如下：根據您的篩選器是具有IDs和Entity2的集合也是collection，因此假設我編寫了此代碼，. query = query.Where(x => filter.Where(a=> a.Entity2.Any(y=> a.Ids.Contains(y.testId)); 但是在查詢中，您也可以刪除First()並可以使用ToList()但是如果數據很大，它 ...

WebJan 4, 2024 · C# filter list with LINQ query expression. The following example uses a LINQ query expression to filter a list. var words = new List { "sky", "rock", "forest", … WebApr 11, 2015 · I now want to filter the fullNameList based on if it exists in the search list but I am not doing a direct match but rather a "starts with" match. So in my example, after filtering I would want this to be the results "Joe Thompson" "Bob …

WebLINQ query to filter the movies by selected genres. First, I added a filter for the selected genres (a string array) in Figure 2. The GetMovies () method returns a list of movies. In this case, it’s a just a small collection created within the method, but it could have been retrieved from a database. Next, the genre from the list of movies is ...

WebJun 3, 2016 · Returning a list that is filtered based on another list in C# Ask Question Asked 6 years, 10 months ago Modified 6 years, 10 months ago Viewed 316 times 2 Im quite new to C# so trying to test a simple string filter but not getting the desired results. This is my test method: facts about the woodwind familyWebFeb 10, 2024 · 1 Answer. Sorted by: 3. With LINQ it looks so: List finalEventList = eventList .Where (ev => ev.CountryList.Select (c => c.Id).Intersect (countriesListParameter).Any ()) .ToList (); So all events that have countries which Id is contained in the parameter-list. You could also use Contains, but it is less efficient than … dog being sick yellow foamWebFeb 27, 2024 · 'SelectedAccountOwners' is a list of strings based on a multiselect box... [BindProperty (SupportsGet = true)] public List SelectedAccountOwners { get; set; } How can I filter 'transactions' so that only records with an Account.AccountOwner.Name in the list of 'SelectedAccountOwners' remain? Index.cshtml.cs facts about the wisconsin dellsWebFor 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 … facts about the word blitheWebTo filter a list based on a condition that involves checking whether an element in the list starts with any of the elements in another list, you can use LINQ's Where method and … facts about the word ludicrousWebFor 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 … facts about the woodpeckerWebJan 24, 2014 · I tried below: List ratings = bidResults.Select (bidResult => new Rating {RatingId = bidResult.BidResultId}).ToList (); but I am not able to access BidResultId from bidResult. Please note bidResult is a strongly typed list. Adding a . after bidResult show lambda functions like select, foreach, single etc. c#. facts about the word janky