How do I combine two IQueryable results?
IQueryable list1 = values; IQueryable list2 = values1; Union object (obj1);
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How to join 2 queries in Linq?
LINQ Inner Join Inner Join produces the result of two or more than two tables. So basically we are meant to get the records from both tables based on matching conditions. Basically in SQL, we use the INNER JOIN keyword to establish a relationship between both tables. The following is the Linq query for the above SQL query.
How do I join Entity Framework?
Method Syntax First joins the first two tables. Employees is the outer table and People is the inner table. Project the properties you want to the output. Also include any properties that you want to use in the join condition later in the query.
How do you bind Write Right in Linq?
Right outer join in LINQ
- using (JoinEntities Context = new JoinEntities())
- var rightOuterJoin = from d to Context.DepartmentMasters.
- join e in Context.EmployeeMasters in d.DepartmentId is equal to e.DepartmentId in emp.
- of the employee in emp.DefaultIfEmpty()
- select new.
- EmployeeCode = employee.Code,
Is IQueryable faster than IEnumerable?
IQueryable: IQueryable gets the record based on the filter. IQueryable is faster than IEnumerable. In addition to Munesh Sharma’s answer: IEnumerable loads data into memory and then applies filters one by one, but IQueryable applies filters all at once and returns the result.
Should I use IQueryable or IEnumerable?
IEnumerable: IEnumerable is more suitable for working with in-memory collection (or local queries). IEnumerable doesn’t move between elements, it’s just a forward collection. IQueryable: IQueryable is best suited to a remote data source, such as a database or web service (or remote queries).
How can I join two tables from different databases using Entity Framework?
How to join two tables from different databases using Entity Framework
- First, create two contexts that refer to two different databases.
- Now create a class that will store information about the student results that we will get after joining both tables.
How do I join a table in Entity Framework Core?
In SQL, a JOIN clause is used to combine rows from two or more tables, based on a related column between them. In Entity Framework Core, you can use the Join() and GroupJoin() method to achieve the same results. The following query joins the Customers and Invoices table using the Join() method.
How are LINQ queries used in NHibernate 3.0?
Linq Queries NHibernate 3.0 introduces the Linq to NHibernate provider, which enables the use of the Linq API to perform queries with NHibernate. IQueryable queries are obtained with the Query methods used on ISession or ISatelessSession. (Prior to NHibernate 5.0, these methods were extensions defined in the NHibernate.Linq namespace.)
How do I get IQueryable queries in LINQ 5.0?
IQueryable queries are obtained with the Query methods used on ISession or ISatelessSession. (Prior to NHibernate 5.0, these methods were extensions defined in the NHibernate.Linq namespace.) Various NHibernate Linq extensions that give access to NHibernate-specific features are defined in the NHibernate.Linq namespace.
How to combine two ResultSets into one in LINQ?
The type ‘MyClass’ appears in two structurally incompatible initializations within a single LINQ to Entities query. A type can be initialized in two places in the same query, but only if the same properties are set in both places, and those properties are set in the same order.
What is the Join method queryable in LINQ?
Join (IQueryable, IEnumerable, Expression >, Expression >, Expression >) Maps the elements of two sequences based on matching keys. The default equality comparer is used to compare keys.