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c#linq-to-entitieslike-keyword

Linq LIKE functionality


so.. I'm using LinqToEntities, and I want to query part of a field. Normally I'd use the LIKE keyword with SQL, and then go from there..

I see that Linq does not have it.. Whats a good way to get the same kind of functionality?


Solution

  • You can use String.StartsWith() or String.Contains().

    For example:

    var query = from b in db.Books
                where b.Title.Contains("time")
                select b;
    

    This works because LINQ turns the query into an expression tree, and for LINQ to SQL/Entities, many "standard" C# methods are supported for the conversion to SQL.