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 here. …
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 listofcountrycodes) { ...
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 appear …
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:
"Or" equivalent in Linq Where () lambda expression
Jan 3, 2018 · Given an existing Linq query you can add a where clause that takes an array of strings (SearchStrings), and check if any of them match whatever object in the collection you're search.
Update all objects in a collection using LINQ - Stack Overflow
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 then …
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 blanket "select * …
LINQ: Select an object and change some properties without creating a ...
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 someList...
c# - Select distinct using linq - Stack Overflow
Select distinct using linq [duplicate] Asked 12 years, 1 month ago Modified 8 years, 3 months ago Viewed 848k times