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Is it possible in LINQ to join on multiple fields in a single join? EDIT var result = from x in entity join y in entity2 on new { x.field1, x.field2 } equals new { y.field1, y.field2 }
In SQL you could make it part of a join statement... FROM tblAccounts c INNER JOIN tblAccountAssociations a ON c.AccountCode = a.ChildCode AND a.AssociationType == "DS" ... but in Linq statments you just add it as a predicate, the way you did (apart from the "and" issue).
14 gru 2011 · You can't do an "or" style join in LINQ with an actual join clause. All join clauses in LINQ are equijoins. The closest you can come is a where clause: var query = from a in A from b in B where a.Foo == b.Foo || a.Foo == b.Bar select new { a, b };
In this article, we’ll take a look at how to use LINQ to join multiple tables on multiple conditions. We’ll start by discussing the basics of LINQ joins, and then we’ll show you how to use LINQ to join tables on different columns, on the same column, and on multiple columns.
7 wrz 2023 · LINQ Inner Join With Multiple Conditions. If you want to use multiple conditions within your join, you can simply use more than one where clause. Let’s update our query once again:
13 lut 2017 · When you want to find all the objects that are missing a corresponding object, then you need the LINQ equivalent of an outer join. Here, step by painful step, is how to build that query.
15 wrz 2021 · Joining is an important operation in queries that target data sources that have no navigable relationships to each other, such as relational database tables. A join of two data sources is the association of objects in one data source with objects that share a common attribute in the other data source. For more information, see Standard Query ...
