Category "linq"

Groups the specified bookings based on their consecutive dates

var listForTestGroup = new List<Booking> { new Booking{Project="HR", Date= DateTime.Parse("01/02/2020") , Allocation= 10},

Check null value in a list using linq

I have a list List<OfferComparison> Comparison. I want to check if all the items have Value == null in an if condition. How can I do it with linq? publ

Sorting a 1-to-many relationship for a log table for the most recent item

So I have a table, Equipments, that contains assets. There is a table connected to this one in a 1-many relationship that logs each time it is inventoried, by w

How to Bind a group by data in view in mvc5? what are the best ways to do

I am using Entityframework context, i dont know how to bind to view. I am grouping items by gender public SQLChallengeEntities Sqlcontext = new SQLChallengeEn

Could not find an implementation of the query pattern for source type 'System.Data.Entity.DbSet'

I'm using Entity Framework for the first time, but it seems not working as expected. I have this code: using System; using System.Collections.Generic; using S

Get Dictionary value in IQueryable LINQ to Entities query

I have to support multiple languages in production application. There are lot of Entity Framework queries that gets data from database as deferred IQueryable l

Add Items To a existing List In a dictionary

I have a dictionary as below var dicAclWithCommonDsEffectivity = new Dictionary<string, List<int>>(); I have a list as below var dsList=new Lis

Can't use custom extension methods with IronPython

I have some extension methods I defined in my C# class, which I can import just fine into an IronPython script. However, when I attempt to call one of these met

Splice IEnumerable with Linq

Is there an in-built way to splice an IEnumerable in Linq-To-Objects? Something like: List<string> options = new List<string>(); // Array of 20 st

How to implement left join in JOIN Extension method

I am trying to implement an outer join on this kind of query for the p.Person table. How would I do this? This example is taken from http://ashishware.com/DSLi

IEnumerable vs List - What to Use? How do they work?

I have some doubts over how Enumerators work, and LINQ. Consider these two simple selects: List<Animal> sel = (from animal in Animals

Suggestions for designing complex LINQ code

What are your suggestions for designing linq code in project? Especially, I`m interesting in code design of big and complex linq queries? For example, you know,

Union two list by property

I would like to merge two list without duplicates. It should distinct only by one property. I have a class: public class Test { public int Id { get; set;

How can I project into the same DTO type twice?

The goal here is to update an IQueryable that projects into a dto so it only includes a subset of the properties that it originally included. The "subset" is be

How can I project into the same DTO type twice?

The goal here is to update an IQueryable that projects into a dto so it only includes a subset of the properties that it originally included. The "subset" is be

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