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# - 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 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:
Pros and Cons of LINQ (Language-Integrated Query)
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 …
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 …
Is a LINQ statement faster than a 'foreach' loop? - Stack Overflow
Jul 1, 2010 · With other LINQ providers like LINQ-to-SQL, then since the query can filter at the server it should be much better than a flat foreach, but most likely you wouldn't have done a …
c# - Select distinct using linq - Stack Overflow
Select distinct using linq [duplicate] Asked 12 years ago Modified 8 years, 3 months ago Viewed 848k times
How do you perform a left outer join using linq extension methods
How do you perform a left outer join using linq extension methods Asked 16 years, 8 months ago Modified 9 months ago Viewed 312k times