WebAug 19, 2024 · IEnumerable : use when you deal with in process memory object collections and loop through the collection objects. Provides a forward-only in-memory presentation of data.... WebAug 16, 2024 · If we're using LINQ with our data provider, then we can use the query provider to perform a Select projection var dest = await dbContext.Destinations .Where(d => d.Id = id) .Select(d => new Dest { Thing = source.Thing, Thing2 = source.Thing2, FooBarBaz = source.Foo.Bar.Baz. }) .FirstOrDefaultAsync();
IEnumerable and IQueryable in C# - Dot Net Tutorials
Web使用LINQ,如何在select运算符的结果中返回字符串常量 linq; 在LINQ to SQL表达式中向对象添加值 linq linq-to-sql; Linq,返回var、list、IEnumerable和IQueryable中的数据有什么区别? linq linq-to-sql; Linq 使用任何ORM生成复杂SQL linq orm; Linq 基于if的项目结果Lambda语句 linq linq-to-sql ... WebMay 25, 2024 · Creating an IEnumerable implementation Once this class is ready, it is time to create an IEnumerable implementation for Employee. Hence, I will create a new class named EmployeeEnumerable. This class will implement IEnumerable and provide an implementation of the GetEnumerator method of the IEnumerable interface. howard gasoline \u0026 oil company
Understanding IEnumerable VS IQueryable in C# - Shekh Ali
WebWhile querying the data from the database, the IEnumerable executes the “Select Statement” on the server side (i.e. on the database), loads data into memory on the client side, and … WebSep 29, 2015 · Use the ODataQueryOptions object to apply all query options on the IQueryable except Expand and Select (this lets EF translate the filter, skip and take to SQL and apply those directly in the DB) Perform the needed filtering in memory, on the result. Use the ODataQueryOptions object to apply Select and Expand on the filtered result. Webyou can select only the properties you need BEFORE you're actually loading the objects from your IQueryable. use Select after your Where statement to only load what you need. An … howard gasoline