Jun 6, 2009 · How to make a where in clause similar to one in SQL Server? I made one by myself but can anyone please improve this? public List<State> Wherein(string …

Apr 27, 2015 · When this is a linq-to-object call, multiple where clauses will lead to a chain of IEnumerables that read from each other. Using the single-clause form will help performance …

Aug 2, 2018 · LINQ is a technology for extracting data using an idiom derived from the C# programming language. While it owes much in functional design to SQL, it is fundamentally its …

Jan 14, 2009 · Is it possible to use If Else conditional in a LINQ query? Something like from p in db.products if p.price>0 select new { Owner=from q in db.Users select q.Name } else select …

Feb 1, 2013 · I am trying to convert an old raw Sql query in Linq with Entity Framework here. It was using the IN operator with a collection of items. The query was something like that: …

Dec 30, 2008 · Is there a way to do the following using LINQ? foreach (var c in collection) { c.PropertyToSet = value; } To clarify, I want to iterate through each object in a collection and …

Apr 25, 2017 · Wide range of operators provided by default, and others can easily be added for LINQ to Objects Language features introduced primarily for LINQ are widely applicable …

The difference is that Any is an extension method for any IEnumerable<T> defined in System.Linq.Enumerable. It can be used on any IEnumerable<T> instance. Exists does not …

Oct 28, 2010 · Linq, as a built-in technology, has performance advantages and disadvantages. The code behind the extension methods has had considerable performance attention paid to it …

How can I do group by multiple columns in LINQ? Something similar to this in SQL: SELECT * FROM <TableName> GROUP BY <Column1>,<Column2> How can I convert this to LINQ: