Filter list by another list c#

Author: jxdj

August undefined, 2024

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. 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 …

c# - Linq filter a list of objects based on another list - Stack Overflow

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 ... 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# halloween makeup kylie jenner

c# - How to filter a list by another list - Stack Overflow

WebJan 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#. 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()))); 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: halloween mal makeup

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

Returning a list that is filtered based on another list in C#

WebAug 12, 2016 · In this Code Snippet, I will be going to explain the example of apply Filter in List by Another List. 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 … platinaryhmäWebFeb 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 halloween mask sri lanka

"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 ... " - Filter list by another list c#

Filter list by another list c#

How To Apply Filter In List By Another List - C# Corner

WebMar 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 … 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 …

Did you know?

WebJan 30, 2024 · Instead, you need to look for overlapping IDs. 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 with the same … 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.

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): WebFeb 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 …

WebMay 22, 2024 · Here is my attempt : List newList = mainList.Where (x => x.Id == 5 && !blackList.Contains (x)).ToList (); This newList is generated inside a loop, in the first round of the loop, blackList is empty and it works, in the second round blackList contains about 200k elements.

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 ();

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'. plate joinerWebApr 28, 2024 · I've got a list of objects List named containers. I've got a list of numbers List named containerIds. How can I get a subset of containers where the Id is in containerIds? Something like the following: var … plataforma kukulkanWebTo 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 … platinenankaufWebFor 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 … halloween mexican skull makeupWebLINQ 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 ... plate terkini johorWebApr 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 ... halloween mia me mineWebAug 15, 2024 · I have a list of users for a timespan, for arguments sake let's say a month.So in that list certain users do not meet the criteria I want for a certain objective so I want to filter out the list and display the filtered out data into another list.So how I replicated the list was as follows:. List List1 = new XPQuery(session) .Where(w => … platin ankauf