c# - What is LINQ and what does it do? - Stack Overflow
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 own data …
c# - Proper LINQ where clauses - Stack Overflow
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 …
c# - "IN" Operator in Linq - Stack Overflow
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: …
c# - If Else in LINQ - Stack Overflow
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 …
c# - Where IN clause in LINQ - Stack Overflow
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 …
How can I conditionally apply a Linq operator? - Stack Overflow
Aug 14, 2008 · We're working on a Log Viewer. The use will have the option to filter by user, severity, etc. In the Sql days I'd add to the query string, but I want to do it with Linq. How can I …
LINQ Where with AND OR condition - Stack Overflow
Jan 11, 2016 · LINQ Where with AND OR condition Asked 16 years ago Modified 6 years, 4 months ago Viewed 199k times
LINQ .Any VS .Exists - What's the difference? - Stack Overflow
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 …
LINQ: Select an object and change some properties without …
I want to change some properties of a LINQ query result object without creating a new object and manually setting every property. Is this possible? Example: var list = from something in …
How to group by multiple columns using LINQ - Stack Overflow
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: