Filter list of objects c#
WebNov 25, 2016 · Generic method to filter a list object. I am trying to create a generic method that takes three parameters. 1) List collection 2) String PropertyName 3) String FilterString. The idea is we pass a collection of Objects, the name of the property of the object and a Filter Criteria and it returns back a list of Objects where the property contains ... Webi have a list of project objects: IEnumerable projects a Project class as a property called Tags. this is a int[] i have a variable called filteredTags which is also a int[]. So lets say my filtered tags variable looks like this: int[] filteredTags = new int[]{1, 3};
Filter list of objects c#
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WebJun 18, 2015 · I have two lists of objects Person and PersonResult.Both are linked through the property PersonId.I need to create a filter for the list of PersonResult that meet certain criteria for the Person (e.g. Person.Gender == "female").. Im currently using the following LINQ query to achieve this: WebMay 24, 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 now contains all items in that category. Share.
WebApr 7, 2024 · Here is the object class: public class MyModel { public string POne { get; set; } public string PTwo { get; set; } public string PThree { get; set; } } In pseudocode in would be something like: New List filtered Foreach object o in myObjectList If o.POne, o.PTwo or o.PThree contains string "test" filtered.Add (o) Else Next. 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 …
WebOct 7, 2024 · List subList = GetUsers() as List; // GetUsers returns a list of User objects . then to filter i do : var filteredList = subList.Where(x => x.Name == "Test2" x.Name == "Test3"); I get null , i dont get anything in the filteredlist WebOct 7, 2024 · List subList = GetUsers() as List; // GetUsers returns a list of User objects . then to filter i do : var filteredList = subList.Where(x => …
WebDec 21, 2024 · In this method, you loop through a list and search for the member of each iteration that passes the condition. Below is a code sample that uses the iterative method: Console.WriteLine ("Filtering through the …
WebMar 6, 2024 · 3. This should work: var result = dicts.Where ( d => d.TryGetValue ("field1", out object value) && value is int i && i == 1500 ).ToList (); This picks out all the dictionaries in the list that have a field called field1 (via the d.TryGetValue ()) and where that value is also 1500. Note that because the dictionary contains object and not int ... inherited ira in 2015 can i still stretchWeb2 days ago · I have a ParsePredicateOf>(item2) that takes a JsonElement. I returns a Func, bool> that should be used in a where clause. At this point it only applies the last of the predicates in the foreach statement. mlb fielding statistics 2022WebAug 6, 2015 · Not sure if anyone is still looking for any additional ways to do this. But I've used this code to remove duplicates from a list of User objects based on matching ID numbers. private ArrayList RemoveSearchDuplicates (ArrayList SearchResults) { ArrayList TempList = new ArrayList (); foreach (User u1 in SearchResults) { bool duplicatefound ... inherited ira indirect rolloverWebMay 17, 2024 · I trying to filter data using Linq. But I don't know where I'm doing wrong. Here is the scenario: I've two classes: public class Category { public int Id { get; set; } public bool Status { get; set; } public List Products { get; set; } } public class Product { public int Id { get; set; } public bool Status { get; set; } } inherited ira in 2020WebMay 22, 2009 · List l; l.FindAll (n => n.Something == SomethingElse); It may use internally foreach, but you can't really filter without iterating for whole list. List<>.Find (gives the first matching occurence) and List.FindAll () gives all matching occurences. An example with a list of complex types would is as follow: inherited ira irsWeb9 Answers. If 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 … inherited ira in a trustWebHi Christian , What will be the change in code if i have a List and List. My custom class has various items in which one is DCN number and list has only DCN number. So I need to check the List contains any dcn from List. For example suppose List1 = List and List2 … mlb fenway tickets