Linq interview questions, NET, but I want to know how that works internally? Jan 11, 2016 · LINQ Where with AND OR condition Ask Question Asked 16 years, 3 months ago Modified 6 years, 8 months ago Mar 21, 2011 · Is there any way to compare strings in a C# LINQ expression similar to SQL's LIKE operator? Suppose I have a string list. In SQL, I could write: SELECT * F 31 If this is a LINQ to SQL query against a database with a case-insensitive collation, then it already is case-insensitive. The difference is that Any is an extension method for any IEnumerable<T> defined in System. Feb 1, 2013 · I am trying to convert an old raw Sql query in Linq with Entity Framework here. Exists does not appear to be an extension method. One is more . It was using the IN operator with a collection of items. Enumerable. It can be used on any IEnumerable<T> instance. Name FROM Apr 10, 2015 · When you use it in a linq expression, think of it as though the lambda function is being called on every element in the collection (which I believe is exactly what happens with linq to objects). One is more LINQ is a technology for extracting data using an idiom derived from the C# programming language. On this list I want to search a string. While it owes much in functional design to SQL, it is fundamentally its own data querying language. Remember that LINQ to SQL isn't actually executing your == call; it's looking at it as an expression and converting it to an equality operator in SQL. In short, the methods are essentially the same. The query was something like that: SELECT Members. If so, Exists is an instance method which functions very similar to Any. LINQ is a technology for extracting data using an idiom derived from the C# programming language. The use will have the option to filter by user, severity, etc. How can I conditionally add Mar 22, 2009 · I love using LINQ in . Linq. My guess is that col1 in your example is of type List<T>. 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) { Aug 14, 2008 · We're working on a Log Viewer. In the Sql days I'd add to the query string, but I want to do it with Linq.
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