What is LINQ Union?

What is LINQ Union?

LINQ Union is an extension method that requires two collections to combine the two collections and returns the distinct elements from both collections. LINQ Union supports only method syntax it does not support the query syntax.

How to work with complex types using LINQ Union() method?

The LINQ Union () Method like other Set Operators such as Distinct, Expect, Intersect is also worked in a different manner when working with complex types such as Product, Employee, Student, etc. Let us understand this with an example. Create a class file with the name Student.cs and then copy and paste the following code in it.

How to add common items to a list in LINQ?

If it is a list, you can also use AddRange method. var listB = new List {3, 4, 5}; var listA = new List {1, 2, 3, 4, 5}; listA.AddRange (listB); // listA now has elements of listB also. If you need common items, you can use Intersect. The easiest way is to use LINQ’s Union method:

How do I combine two IEnumerable lists into one?

The easiest way is to use LINQ’s Union method: If it is two IEnumerable lists you can’t use AddRange, but you can use Concat. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research!

What are the different types of joins available with LINQ?

There are mainly the following four types of joins available with SQL Server: LINQ is a full-featured query language. LINQ also offers JOIN operations. In this article, I will explain how to do these joins in LINQ. I have two tables: EmployeeMaster and DepartmentMaster.

How do you do a RIGHT OUTER JOIN in LINQ?

Right outer join in LINQ A right outer join is not possible with LINQ. LINQ only supports left outer joins. If we swap the tables and do a left outer join then we can get the behavior of a right outer join.