Filter list of objects c#

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August undefined, 2024

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 ... Web3 hours ago · I have an object tree with mixed content and want to flatten a specific type. [ - MyType - KeyValuePair> - SomeType (Key) - List (Value) - MyType - SomeType - SomeType - MyType - ...

c# - Filtering a list of objects - Stack Overflow

Web9 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 … WebHi 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 … qantas freight terminal brisbane

c# - Filtering list of objects based on properties and their values ...

WebMar 21, 2012 · 4 Answers Sorted by: 35 Simple: myList.SelectMany (sublist => sublist) .Where (item => item.Name == "ABC" && item.Action == "123"); This gives you all the … WebJul 23, 2024 · Filter a List of string in c# [duplicate] Closed 2 years ago. List str = new List str.Add ("test1"); str.Add ("test2"); str.Add ("test3"); After some processing this list goes to some service where the list gets modified and can have any of the three values "test1"," test2", "test3" or all of them. Web2 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. qantas freight tullamarine

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

C# - Filter a list of objects by text for each object property

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 … 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}; qantas frequent flyer and woolworthsWebMay 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. qantas frequent flyer book

"" - Filter list of objects c#

Filter list of objects c#

c# - Filtering a list of objects - Stack Overflow

WebDec 31, 2024 · Good evening, I'm building a basic console application to learn how to filter object list property data. I'm trying to filter a list of objects based on user selected object property and it's value, but I'm struggling to conceptualize how to connect user input to objects property, since properties do not have an index. For example, if we have a ... WebJun 18, 2015 · 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 == …

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WebAug 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 ... WebApr 9, 2012 · This is not correct, as the grid is now bound to a copy of the list. I think it is because the BindingSource doesn't know what type of data it is filtering. Once a data is converted to dataset into columns and rows, filter can run. Because your datasource is a class, it can't do the automatic filtering.

WebMay 22, 2024 · Something like this: var filterList = collection.Where (r => r.AccountNumber == clickedCell.Value); Only problem is the r.AccountNumber is dependant on the data property of the selected column. The program does not know what the data property is based on a click event on the selected cell. This is why I think reflection might be … 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 => …

WebNov 4, 2015 · You can do that with a lambda. List houseOnes = houses.FindAll (house => house.Name == "House 1"); Basically you have to tell it what you want to compare to for each item. In this case you compare the Name property to the string … WebJun 5, 2013 · List logs = db.Log.ToList(); I'm currently implementing a few filters for this list, which is displayed on an MVC view. What I'm trying to do is simply filter the results of this list by text that is entered by the user, however the examples I've found demonstrate filtering for strings or integers, not multiple properties of an object.

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 …

WebMay 3, 2024 · 1. class Officer { Person person; } class Person { string name; } Suppose I've a list of Officer and a list of Person. I want to filter these two list based on some criteria. So I wrote this method: public List filterName (List list) { // some filter logic } And I'm using this method for the two lists in the following way: qantas frequent flyer chatWebMar 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 ... qantas frequent flyer buy pointsWebOct 18, 2024 · Using Linq to Filter a List of Objects based on a Condition. I am solving an issue where I want to remove unwanted objects from a list List as a result of a region name condition . As an entry input I receive var data , which contains a List. One item CasesDto corresponds to all region-based data received on … qantas frequent flyer family membership