2024 Filter list based on another list c#

Filter list based on another list c#

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August undefined, 2024

WebNov 4, 2015 · Another alternative is to use Linq List houseOnes = houses.Where (house => house.Name == "House 1").ToList (); Note here you have to call ToList in order to get a list. Without that you'd have an IEnumerabl and it wouldn't actually do the comparisons until you iterated it (which the ToList does). 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, …

c# - Linq filter List where it contains a string value from ...

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 … WebDec 21, 2024 · Filtering through a data set is one of the most basic operations a developer should know how to perform. Filtering refers to the process of restricting the result set to contain only those elements that … britons lane sheringham

C# filter list - filtering a list in C# - ZetCode

WebFeb 19, 2014 · C# Lambda to filter list based on existence on another list. Both of the list are the same type and those values are from a field ID. My objective is to construct a forloop that will return me 7,9 because 7,9 is not existed in List B. int counter = 0; foreach (var item in ListA.Where (x=>ListB.Any (b=>x.ID != b.ID))) { counter++; //Here I ... WebMay 23, 2012 · 1. Try using some linq. List itm = new List; //Fill itm with data //get selected item from control string selectedcategory = cboCatetories.SelectedItem; var itms = from BO in itm where itm.ItemCategory = selectedcategory select itm; itms … WebFeb 27, 2024 · 1. 'transactions' contains a list of transaction records... var transactions = from t in _context.Transaction .Include (t => t.Account) .Include (t => t.Account.AccountOwner) select t; 'SelectedAccountOwners' is a list of strings based on a multiselect box... britons going to ukraine

c# - Filtering a list based on another list - LINQ - Stack Overflow

How to filter list with objects in C#? - Stack Overflow

WebApr 28, 2024 · 1 Answer Sorted by: 3 You might use Contains method for that var result = containers.Where (x => containerIds.Contains (x.Id)); Another option is to use Any Linq method var result = containers.Where (x => containerIds.Any (i => i == x.Id)); Share Improve this answer Follow answered Apr 28, 2024 at 16:06 Pavel Anikhouski 21.3k 12 52 63 … 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 … britons carpet orlando representativeWebDec 23, 2013 · I have a simple question about filters. I have 4 dropdown lists which filter the data in my web application from MySQL database table. The first dropdown list is already selected showing only one project_id but the others drop down lists displays all the possible values from the database - this is what I made so far. briton shutters and grilles

"" - Filter list based on another list c#

Filter list based on another list c#

c# - How do I filter a list by another list in a Razor page? - Stack ...

WebTo 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 the StartsWith method to perform the comparison. Here's an … 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())));

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WebMar 15, 2024 · Looking to filter a list using the values from another list. I've seen many threads based on this, but they're mostly all filtering one list based on if the value exists in the second list. My scenario is I have 2 lists that are parallel, so index 0 of list A corresponds to the property of some 0th object which also has another property stored ... WebJun 17, 2013 · 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: public class Thing { public string Name public List Countries; } List AllThings;

WebMar 12, 2015 · if (searchTerm.Length > 0) { if (selectedValue == 1) return users.Where (user=>user.Name == searchTerm).ToList (); if (selectedValue == 2) return users.Where (user=> (user.Name == searchTerm && user.Street == "StreetA")).ToList (); if (selectedValue == 3) return users.Where (user=> (user.Name == searchTerm && … WebJul 17, 2012 · 4 Answers. Sorted by: 8. Take a look at List.RemoveAll. aList.RemoveAll (x => bList.Contains (x)) FWIW, this will also remove all objects in aList contained in bList, not only the first instance of each bList object in aList, if this is important. Share. Improve this answer. Follow.

WebMar 25, 2024 · To filter a list based on another list using Linq in C# with the "Any operator", you can follow these steps: Create two lists, let's call them "listA" and "listB". Use the "Where" method to filter "listA" based on whether any elements in "listB" match a certain condition. WebTo 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 …

WebJun 13, 2011 · The goal is to exclude PCMessages from LintMessages that fit the criteria of any applied Filter and store them in List FiltLintMessages. For example, if FilterList contains two filters: Filter1 Properties: applied = true; messagetype = Warning; Filter2 Properties: applied = true; messagecode = 12; evaluated = "WIP"; Then I wish to create a List ...

WebJan 4, 2024 · The example filters out all positive values. List filtered = vals.Where(x => x > 0).ToList(); The Where method filters a sequence of values based on a predicate. … britons traductionWebOct 29, 2015 · My NavigationItem has navigation property NavigationItemsPermissions where I have RoleId.As input parameter in function I have List roleIds where I will have something like {1, 3}.. How do I finish my LINQ to give me back NavigationItem(s) that has NavigationItemsPermissions with some RoleId on the input list.Note that, additionally, I … cap of strafford county nhWebDec 17, 2012 · filteredClients = filteredClients.Where (n => !jobsToSearch.Any (j => j.Client == n.ClientId)).ToList (); The difference between this and your .Count () solution is that .Any () can stop looking at the jobs list with each client as soon as it encounters the first match, so it should run a bit faster. But we're not done yet. britons strike home by purcellWebJan 30, 2024 · Instead, you need to look for overlapping IDs. Something like this should work: List serviceItems; List serviceItemDetails; var result = serviceItemDetails.Where (sid => serviceItems.Any (si => si.ID == sid.ID)) In English: "The collection of ServiceItemDetails where the list of service items has an item … cap of tea 意味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'. briton tubsWebOct 1, 2011 · 1 I have two IEnumerable lists. I want to populate values into the second list based upon the results in the first. The first IEnumerable list is populated like this: IEnumerable selectedList = CategoryServices.GetAttributesByCategoryID (categoryID); // it returns selected attributes for a particular category britons tribeWebOk, I wrote below LINQ to Entities query (close enough to my c# query showing below). var itemss = filteredstudents .Where(x => x.SubjectTypes.Any(y => y.SubjectItem.Any(z => z.Name == value1))).ToList(); still little problem because when SubjectItem type has two element and one of them match with value1. it still returns both.It should return only … britons we need you poster