WebDec 22, 2024 · Distinct and DistinctBy. The following example depicts the behavior of the Enumerable.Distinct method on a sequence of strings. The returned sequence contains … WebFeb 8, 2024 · From C# 6 on, you can use the when keyword to specify a condition before handling an exception. Consider this - pretty useless, I have to admit - type of exception: public class RandomException : System.Exception { public int Value { get; } public RandomException() { Value = (new Random ()).Next (); } } This exception type contains a …
C# – Select distinct objects based on a property with Linq
WebJul 16, 2013 · 2 Answers. Sorted by: 0. Distinct is similar to distinct in a SQL Query . Ex: var distinctElements = duplicatedElements.Distinct (); The above code filters out duplicate entries and returns an IEnumerable of distinct elements. The original duplicatedElements is left intact though. Share. Improve this answer. WebAug 24, 2024 · 1. I am trying to find an equivalent Linq Query to run the below code in SQL Database using EF Core. var result = Logs.Where (x => x.ProjectCode.Equals (projectCode)) .OrderByDescending (x => x.SubmittedDate).DistinctBy (y => new { y.GeographyCode, y.DataSetId }) The DistinctBy operation is creating an issue while … john cater of match torrent
C# - DistinctBy extension - Code4Noobz
WebNov 26, 2024 · Currently it's in a very young stage, but already you can use methods like Distinct, Union, Intersect, Except on any number of properties; This is how you use it: … WebJan 30, 2013 · As you can see in output there is only two object get return which actually I want. i.e. distinct value by Code or product. If you want to pass more than on property than you can just do like this ... WebFeb 18, 2024 · Note: since DistinctBy returns the first element with a given key, it is order-sensitive, and so we should issue a warning if it's used without OrderBy. Note that PostgreSQL has a DISTINCT ON feature which is likely much more efficient than what we generate above (npgsql/efcore.pg#894). john cates augusta