How do I join two entities in Entity Framework?

How do I join two entities in Entity Framework?

Join Query In Entity Framework

1. Using Join. Query Syntax. Method Syntax.
2. LINQ Join on Multiple Columns. Query Syntax. Method Syntax.
3. Joining more than one Table. Query Syntax. Method Syntax.
4. Join Using Navigational Property.
5. Left Join.
6. Summary.

How do I join a table in EF core?

Use the join operator to join the inner table. Mention the condition on which you want to join them. Note that we use the equals & not == or = . Also we can only compare for equality.

What is group join in Linq?

In simple words, we can say that Linq Group Join is used to group the result sets based on a common key. So, the Group Join is basically used to produces hierarchical data structures. Each item from the first data source is paired with a set of correlated items from the second data source.

What is the difference between Join and GroupJoin in LINQ?

In short, a GroupJoin will do a link between 2 entities even if the right side of the link has nothing to link to. In contrast, the Join will link 2 entities only if both entities contain a link between them. To demonstrate the GroupJoin and the Join, a small example with Northwind Database will be used.

How we implement Join operation in LINQ to Ef?

Inner Join in LINQ

1. using (JoinEntities Context = new JoinEntities())
2. {
3. var innerJoin = from e in Context.EmployeeMasters.
4. join d in Context.DepartmentMasters on e.DepartmentId equals d.DepartmentId.
5. select new.
6. {
7. EmployeeCode = e.Code,
8. EmployeeName = e.Name,

What is include in Entity Framework?

The Entity Framework Core (EF) extension method Include provides us the ability to load additional data besides the entities we are querying for. For example: loading products along with their translations.

How we implement Join operation in Linq to Ef?

What is the difference between Join and GroupJoin in Linq?