Iqueryable does not contain a definition for theninclude. FromSql from within a controller in the Web.

Iqueryable does not contain a definition for theninclude. Feb 24, 2011 · I have this code var contacts = dr.

AsQueryable(). Apr 18, 2016 · Later I saw that I need more flexibility, so I added a queryable. Run( => GetBigList()) and await when you need the results. List' does not contain a definition for 'Any' and the best extension method overload 'Queryable. IQueryable' could be found (are you missing a using directive or an assembly reference?) I though this method was built into EF4. Signups) And in this case, what is returned from Include(org => org. Jan 8, 2023 · You can only await objects that define GetAwaiter(). Feb 2, 2017 · It's not absolutely necessary to place it at the end. System. private Func<IQueryable<TModel>, IQueryable<TModel>> IndexAdditionalQuery { get; set; } protected void SetAdditionalQuery(Func<IQueryable<TModel>, IQueryable<TModel>> queryable) { IndexAdditionalQuery = queryable; } Here the Index action: Apr 28, 2020 · The EF Core 3. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jul 8, 2014 · 'int[]' does not contain a definition for 'Contains' and the best extension method overload 'System. IEnumerable<AnonymousType#1>' does not contain a definition for 'Union' and the best extension method overload 'System. The reference documentation is very very clear on this. for ThenInclude(). Select<Object1, Object2> (IQueryable<Object1>, Expression<Func<Object1, Object2>>)' requires a receiver of type 'IQueryable'. IEnumerable' does not contain any definition for 'ToList' 0 WebAPI controller with IQueryable<T> throws "LINQ to Entities does not recognize the method" error Nov 24, 2019 · But this gives me type errors: CS1929 'IGrouping<<anonymous type: Project project>, EvaluationResult>' does not contain a definition for average 'Average'. dbCtxt select data; return PartialView("show", query. I also have recreated it by using a templated class derived from a non-typed IEnumerable list. Where like this and it works: Jan 18, 2019 · System. IQueryable<out TEntity> type IIncludableQueryable<'Entity, 'Property> = interface interface IQueryable<'Entity> interface seq<'Entity> interface IEnumerable interface IQueryable. Either change disposableSeparators to a string[], or use something like: Aug 23, 2019 · IQueryable does not contain definition for GetAwaiter and noaccessible extension method Getawaiter` So Intellisense recommends change to var departments = await departmentRepository. If you use the overload with collection, ThenInclude operates on the type of the collection element, so at the end you always end up with a single Oct 19, 2015 · is not a list of strings at all like you seem to expect it to be. EDIT: just found one: . ThenInclude is available only when you use the Include overload with lambda expression parameter: query = query. Here is my code that works in an Index action result: IEnumerable&lt;IMapLocationIte I'm trying to use Include extension on IQueryable set, but I have the following issue: Error 1 'System. Beta can be null the delegate type Include accepts allows nulls. IQueryable' does not contain a definition for 'Include' and no extension method 'Include' accepting a first argument of type 'System. Always store hashed and salted passwords. FirstOrDefault(p => p. Extension methods are declared by specifying the keyword this as a modifier on the first parameter of the methods. Nov 30, 2015 · However we do not even get the option of using the ToListAsync (only ToList) even though the Where clause produces an IQueryable. (EF 6 does not support the ThenInclude() method. This order includes a product and this includes a name. ThenInclude(x => x. Hope i'll get some help. The navigation property to be included is specified starting with the type of entity being queried (TEntity). I have spent the last 2 hours reading about the AsNoTracking() method that should do the trick but, I cannot figure out why the method is not available on my dataContext. You can do this by either using var or projecting out the actual amount, rather than an anonymous object with an amount, allowing query to be IQueryable<decimal> (or whatever the numeric type of Amount is). Sum(IQueryable)' requires a receiver of type 'IQueryable' Apr 4, 2022 · If I modify the extension to not be generic, I can do that: public static IQueryable<ClassA> BuildQuery(this IQueryable<ClassA> query) { query. GetAll(). Orders). IQueryable' could be found (are you missing a using directive or an assembly reference?) Aug 26, 2015 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Collections. ClassC); query. ToList()); } Turns out IQueryable does not contain the definition of ToList() 'System. We are using EF6 of course. IQueryable' could be found. Include(c => c. AsQueryable() . DefaultIfEmpty. IQueryable, System. None)) . I then want to query a bigger table for any of the orgs within that list Apr 8, 2016 · 'IList' does not contain a definition for 'AsQueryable' and no extension method 'AsQueryable' accepting a first argument of type 'IList' could be found (are you missing a using directive or an assembly reference?) Mar 27, 2016 · I'm getting this error: CS1061: 'IEnumerable' does not contain a definition for 'Name' and no extension method 'Name' accepting a first argument of type 'IEnumerable' could be found. Feb 10, 2023 · But when I try to build, it's saying that IQueryable<ActionEntity> doesn't contain a definition for ExecuteUpdateAsync. If you wish to include additional types based on the navigation properties of the type being included, then chain a call to ThenInclude<TEntity,TPreviousProperty,TProperty>(IIncludableQueryable<TEntity, IEnumerable Jun 21, 2023 · And then in the query I can do something like: foreach (var thenInclude in thenIncludes) query = query. Linq is ambiguous/grey so it is not being used), as per this link: DbSet doesn't contain definition for FirstOrDefault? Dec 16, 2015 · IQueryable<FPSinformation> does not contain a definition for 'GroupBy' and the best extension method overload ParallelEnumerable. Thank you for your reply. Sep 16, 2023 · In Entity Framework, I can set up a query as: . Context. ) Include. RESOURCENAME) Apr 19, 2019 · I did not forget to use await, as per this link: Task does not contain a definition for 'FirstOrDefault' I referenced Sytem. Of course if the caller is in the same assembly, it can still cast the IIncludable to Includable and start fiddling with the queryable. Oct 18, 2021 · If I use AsNoTracking on the top-level entity, does it get applied to all the child entities? So for example, if I write like this context. Enumerable. The Entity Framework ObjectQuery, ObjectSet, DbQuery, and DbSet types all have an appropriate Include method to call. I hope this is enough that someone can help. If you want the data, you'll need to create a query, such as var query = await dbContext. ProjectTo<IEnumerable<CategoryResponse>>(IQueryable, IConfigurationProvider, params Expression<Func<IEnumerable<CategoryResponse>, object>>[])' requires a receiver of type 'IQueryable' This is in the repository Jan 15, 2021 · It is because IEnumerable does not have such OrderBy, but you have custom extension over IQueryable which accepts such parameters. If you map objects via Expressions, you even do not need See full list on learn. You have to understand that we cannot see your code or data. ClassesB). Linq is missing. The ThenInclude method moves the chaining level to the property included. You can use the following operators Sep 30, 2015 · If you have both of these things double check that your project or some project you are refrencing did not create it's own System. Map<Designation, DesignationDto>(x. You're first post indicates EF 6 Core not EF6. I was not able to access . IQueryable' does not contain a definition for 'Add' and no extension method 'Add' accepting a first argument of type 'System. So I'm at an utter loss of what to do. But well, if someone wants to get it system. Where(x => x. Contains Jan 26, 2020 · You do not need to use any Include, in case of you use your data in your query. DbSet<T> class which does not implement IQueryable<T> or IEnumerable<T>. You'll need to make query of type IQueryable<T> to further filter the query. entityframeworkcore. Key, GroupWiseContacts = zb. Generic. ToList<Account>(IEnumerable<Account>)' requires a receiver of type 'IEnumerable<Account>' Any pointers much appreciated. FromSql from within a controller in the Web. IQueryable<T> does not contain a definition for 'Include' and no extension method 'Include' Jul 19, 2020 · IIncludableQueryable<User, DateTime>' does not contain a definition for 'ProjectTo' and no accessible extension method 'ProjectTo' accepting a first argument of type 'IIncludableQueryable<User, DateTime>' could be found (are you missing a using directive or an assembly reference?) So I was wondering if anyone knew how to fix this? 'System. com Sep 25, 2016 · I have a function that checks if a 2-dimensional string array contains a specific string value using . Contains(ParallelQuery, int)' requires a receiver of type 'ParallelQuery' ulimately the goal is unionOrgs returns a list of orgs. ID == ID && q. Jul 24, 2018 · I have a head and a details model with navigation properties between them. employee; return query; } Feb 22, 2020 · 'IQueryable<Note>' does not contain a definition for 'FromSqlRaw' and no accessible extension method 'FromSqlRaw' accepting a first argument of type 'IQueryable<Note>' could be found (are you missing a using directive or an assembly reference?) Feb 1, 2018 · The following works for me with the EF Core 2. Property(pe, propertyName),typeof(TProperty)); var includeQuery = query as IIncludableQueryable<T I need to load an entire table into memory using Entity Framework 4. Try removing the await, or using ToListAsync(). InsuranceCaseType>' could be found (are you missing a Oct 23, 2023 · If this method is part of a repository, the other option is to just IQueryable. Remove the generic argument. g. Convert(Expression. Nov 25, 2021 · OrderBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>) which accepts Func is a method defined for IEnumerable which does not have async version of ToList. Table' could be found (press F4 to add a using directive or assembly reference) I have already tried adding references to the below assembly references. This sets the context to a single variable instead of using work. Am I missing something here as the documentation says it was added to EF Core 7 Mar 31, 2014 · Your articles variable is using the non-generic type IQueryable, which supports very little indeed. Any(IQueryable, Expression<Func<Book, bool>>)' requires a receiver of type 'System. DefaultIfEmpty("foo"). Amount) FROM LeadPurchases lp GROUP BY lp. Please go through the tutorial rather than guessing. (System. Include(). IQueryable<T> groupByLeadIdQuery = null; IQueryable<Anonymous> groupByLeadIdQuery = null; IQueryable<'a> groupByLeadIdQuery = null; var groupByLeadIdQuery = null; nothing works. Dec 13, 2023 · 'typeB' does not contain a definition for 'method' and the best extension method overload 'typeC. DbSet Jul 10, 2019 · 'IEnumerable < IGrouping< string, DataRow > >' does not contain a definition for 'ToList' You basically are trying to put a complex object into a string: IGrouping<string, DataRow> myGrouping = null; string s = myGrouping; // This won't work You have to Select what strings you want to see in your List<string>: Oct 17, 2011 · It sounds very unlikely that you want to start with a Product instance. Include is not made to filter anything. You want IQueryable<T> for a suitable <T>. Brands. Sorting) . Api (MVC Project) I was able to access the . You can do something like this: public ICollection<T> Filter(Expression<Func<T, bool>> query) { return items. Table' does not contain a definition for 'Include' and no extension method 'Include' accepting a first argument of type 'System. ToInt32(birthyear); Oct 23, 2020 · IQueryable does not contain definition for GetAwaiter Hot Network Questions Everyone hates this Key Account Manager, but company won’t act Feb 8, 2017 · I think your call should be: this. and where I ger "item" in your code? – Jun 11, 2013 · But this is where the ADD fails with the message: 'System. PurchasedFromContactID Nov 3, 2016 · 'IIncludableQueryable<Entity, ICollection<OtherEntity>>' does not contain a definition for 'FindAsync' and no extension method 'FindAsync' accepting a first argument of type 'IIncludableQueryable<Entity, ICollection<OtherEntity>>' could be found (are you missing a using directive or an assembly reference?) AsNoTracking(IQueryable) Returns a new query where the entities returned will not be cached in the DbContext or ObjectContext. From you code snippet, I guess that it might be test. If the provider does not also implement IQueryable<T>, the standard query operators cannot be used on the provider's data source. Events) . Setup(_ => _. The only similar thing I found so far in Stackoverflow is . You need OrderBy<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>)) which is defined for IQueryable which is extended with ToListAsync (you also want it because IQueryable overloads are actually translated into SQL Nov 1, 2015 · 'List' does not contain a definition for 'Union' and the best extension method overload 'Queryable. Select(x =&gt; x. designation); designationDto. You have a couple of options on how to do this: Add @using System. ThenInclude()). Based on everything I have read, I should merely need a reference to System. linq. Beta on the previous call, which can be null. CS1929 'IQueryable<<anonymous type: string Table, string Item, int ID>>' does not contain a definition for 'Union' and the best extension method overload 'ParallelEnumerable. Oct 7, 2011 · Maybe the LINQ expression is not able to figure out what to do with the work. Customer. but the Jun 3, 2021 · @Yihui Sun-MSFT . Error: IQueryable<Patient>' does not contain a definition for 'ThenInclude' and no accessible extension method 'ThenInclude' accepting a first argument of type 'IQueryable<Patient>' could be found (are you missing a using directive or an object does not contain a definition for Database and no extension method Database accepting a first argument of type object could be found (are you missing a using directive or an assembly reference?) UserStore userStore = new UserStore(); userStore. Include controls whether a navigation property is filled with data or not. Linq namespace included in your view since Select is an extension method. Mar 23, 2022 · 'IEnumerable<Order>' does not contain a definition for 'GetAwaiter' and no accessible extension method 'GetAwaiter' accepting a first argument of type 'IEnumerable<Order>' could be found (are you missing a using directive or an assembly reference?) Should I use ToListAsync() in this situation? I understand the options: May 19, 2024 · In the Include, Any does not have a method signatur for the expression. here is my controller public ActionResult Create() { return Index(); } GetAwaiter(), that is used by await, is implemented as an extension method in the Async CTP. Pid == id); } IQueryable<T>. questionOrder ascending selec My view's model is an IEnumerable<SomeModel> so in my controller I do this: [HttpGet] public PartialViewResult show() { IQueryable query= from data in entity. invalidincludepatherror': unable to find navigation 'vendors' specified in string based include path 'vendors'. Subcategory. ThenInclude is a syntactic sugar method to make it easier and clearer to include multiple related objects. 1. ToListAsync(); Note that ToListAsync returns a Task (the built-in one, not your database type), and so is awaitable. I have found this code: class MyContext : DbContext { public DbSet&lt;Post&gt; Posts { get; set; } public DbSet&l Error: CS1929 'IQueryable<>' does not contain a definition for 'Contains' and the best extension method overload 'ParallelEnumerable. ToList(); } Converting you IList to a Queryable or you could do this: Sep 23, 2017 · This has been asked several times since it was de facto a standard of specifying the desired includes to repository methods using EF6. ContactType) . EF Core Include / ThenInclude totally replace the need of Select / SelectMany used in EF6. You're trying to call it with a collection or Student and collection of IWebElement. The implementation does very much matter. Mail . IncludeAll() . Select(x => { var designationDto = ObjectMapper. Mapper. If you want to check whether item is in the collection, use IQueryable<T>. Contains( p. Task. To solve that, you can: IQueryable<int> brandIds = _db. The following tutorial has examples of ThenInclude () as well as many other best practices. ReturnsAsync(resp); public interface IIncludableQueryable<out TEntity,out TProperty> : System. categoryID == categoryID orderby q. Code; System. Include(x => x. OrderBy(input. Jan 18, 2018 · IEnumerable does not contain a definition for ToListAsync() and no extension method ToListAsync() accepting a first argument of type IEnumerable could be found (are you missing a using directive or an assembly reference?) Because ToListAsync() works on a IQueryable<T> only, when we turned it in to a IEnumerable<T> via AsEnumerable() we lost… You can chain multiple related objects to the query result by using the AlsoInclude and ThenInclude methods. Include in following query does not include really Not MSDN, but just as good. cannot convert from 'lambda expression' to 'System If the source IQueryable does not have a matching method, then this method does nothing. But this feature will available in the next version of EF Core. I apologize for all the back-and-forth. ThenInclude(e => e. IQueryable' could be found (are you missing a using directive or an assembly reference?) Target framework is . Union<<anonymous type: string Table, string Item, string ID>>(ParallelQuery<<anonymous type: string Table, string Item, string ID>>, IEnumerable<<anonymous type: string 'IQueryable' does not contain a definition for 'Select' and the best extension method overload 'Queryable. Dec 11, 2019 · Thanks, but I'm not even getting . Contains(p. Events) is an object that can be used for another Include() call which is an include of the Organizations model. Include is just a way to disable Lazy Loading. IQueryable<LinqKit. GetAccountFrom(file). – Jul 25, 2016 · Can not use await + Result. 5. DepartmentName = x. Where(query). ConfigurationManager. Include Oct 17, 2013 · Your methods are not found because they do not exist. Func, System. NumLot, EtatLot, NomEmploye FROM LOT JOIN does not contain a definition for 'Include' and no extension method 'Include' accepting a first argument of type 'DbSet' could be found. Age); } Dec 10, 2016 · That's because Intersect requires both collections to be of the same type. Do I have enable it somehow? Mar 8, 2014 · And of course, this is simply not possible to do in a general way, as if the client of the interface does a projection or grouping, he will lose the includes and he will not even know which ones should be. Feb 7, 2023 · 'System. Contains have two overloaded methods, and both do not accept arbitrary type. DbSet` 'Where' not found Jun 4, 2020 · 'IQueryable' does not contain a definition for 'ThenInclude' and no accessible extension method 'ThenInclude' accepting a first argument of type 'IQueryable' could be found (are you missing a using directive or an assembly reference?) Aug 8, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 30, 2013 · While I most often run into Linq issues because, as Karl stated above, using System. The call to ThenInclude produces a warning because the compiler knows that the access to b. ChildEnt Where is an extension method on IQueryable<T>, not IQueryable. can you enlight me on this? thanks for your help In addition to this, it also provides the ThenInclude() extension method to load multiple levels of related entities. department. 'System. IQueryable does not contain a definition for 'To' and extension method 'to' accepting a first argument of type 'system. The call to GetZoneTask has the AsEnumerable which realizes the IQueryable into an IEnumerable which does NOT have the extension method ToListAsync defined. VMList. Queryable. It allows us to include related objects from the next level. Nov 20, 2020 · Remember that Stack Overflow isn't just intended to solve the immediate problem, but also to help future readers find solutions to similar problems, which requires understanding the underlying code. For example: IQueryable<Article> articles; // Initialize as before I'd personally change how you're initializing it though: Jun 22, 2022 · Hi, I'm trying to do the following, but receiving this error: 'IQueryable<List<Account>>' does not contain a definition for 'ToList' and the best extension method overload 'Enumerable. using System. ThenInclude in intellisense and the project will not compile if I add it. Data. call . Database. IDictionary' does not contain a definition for 'ToDictionary' and the best extension method overload 'System. I'd like to get head records with details included. CountAsync<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>) Asynchronously returns the number of elements in a sequence that satisfy a condition. IQueryable<T> does not contain a definition for 'Include' and no extension method 'Include' But adding the using statement. ThenInclude(thenInclude); I know I may not be explaining this perfectly as I'm not sure how to accomplish this and that's why I'm asking. Feb 23, 2021 · the compiler complains: IQueryable does not contain a definition of ToList. SingleOrDefaultAsync(); In your GetApptTask method the result at the return line is an IQueryable which has the extension method ToListAsync defined. Aug 5, 2016 · 'System. VolumeAdditive in the where clause. IQueryable<. ToListAsync(); May 30, 2023 · ThenInclude() works as written in the official documentation. Oct 27, 2022 · dbContext. Linq is being used, as seems to be the problem in similar questions, however I 'IQueryable<Track>' does not contain a definition for 'ThenInclude' and no accessible extension method 'ThenInclude' accepting a first argument of type 'IQueryable<Track>' could be found Edit4: I've managed to get some Artist data to display on /tracks , but it's oddly incorrect. Sep 10, 2012 · string does not contain a definition for Contains and the best extension method overload System. Examples. ParallelEnumerable. CategoryID)); Jun 28, 2013 · Hi Team, Could you please let me know where to find Kendo. Tasks. context. GroupBy(x => x. ToList(); For a more detailed answer: You need to first make sure that your Mail and File models are formed correctly so that there is a one-to-many relationship between Mail and File: Jul 21, 2014 · An Extension Method needs to be declared inside a non generic, static class. See my first response for the link. Core and imported both System. GroupBy<string, int>(ParallelQuery<string>, Func<string, int>) requires a receiver of type ParallelQuery<string> Aug 5, 2022 · You cannot add ThenInclude () to an Include ("string") because it returns an IQueryable<T> not an IIncludableQueryable<T, TN>. Linq to the top of your cshtml file. May 1, 2020 · The IQueryable interface is intended for implementation by query providers. 2 but stopped after the migration. Parameter(typeof(TPreviousProperty)); var me = Expression. Union(System. Include(org => org. 0. From the C# Specification:. this exception can be suppressed or logged by passing event id 'coreeventid. ToDictionary(System. I'm now trying to return the complete model with a linq statement like the following: _db. Make sure you have two collections of the same type before calling Intersect or use a different method to achieve your task. ThenInclude(o => o. Products . E. Include (b => b. . FirstEntity. This works fine but the detail records I got doesn't contain all properties I need so I tried to add Include(). Net 4. Oct 29, 2016 · No, you don't. Mar 1, 2021 · its says ``` 'IQueryable<Category>' does not contain a definition for 'ThenInclude' and no accessible extension method 'ThenInclude' accepting a first argument of type 'IQueryable<Category>' could be found ``` – Jun 11, 2017 · I am very new to Entity Framework and I am trying to figure out relations. ; You should change IQueryable people; to IQueryable<Person> people;; If you call this method with All as birthyear value you will get an exception when you reach var NumericYear = Convert. Model. InsuranceCaseType>' does not contain a definition for 'Include' and no extension method 'Include' accepting a first argument of type 'System. Aug 5, 2022 · You cannot add ThenInclude() to an Include("string") because it returns an IQueryable<T> not an IIncludableQueryable<T, TN>. It is only supposed to be implemented by providers that also implement IQueryable<T>. 2. Nov 1, 2016 · If you are using a generic repository and you don't know the PK at runtime, this approach can help: public interface IGenericRepository<TEntity> where TEntity : class { Task<TEntity> Get(int id, string[] paths = null); } public class GenericRepository<TEntity> : IGenericRepository<TEntity> where TEntity : class { private readonly ApplicationDbContext _context; private readonly DbSet<TEntity Specifies related entities to include in the query results. C Jun 22, 2018 · The generic argument being used does not match the arguments of the member being mocked. Both they have separate overloads for collection and reference type navigation properties. This method works by calling the AsNoTracking method of the underlying query object. Products. query. Include(f =&gt; f. you you missing a using directive or an assembly reference? I looked at this but no help. Mar 4, 2015 · I'm kind of stuck with that problem. I'm not sure what exactly are you using (you mention both the Async CTP and VS 2012 RC in your question), but it's possible the Async targeting pack uses the same technique. What i want to do is to select query a simple table but in async way. This is my controller: IAccountReader does not implement IEnumerable<Account>. We have no idea what "Not working" means or the steps to reproduce this issue. AsNoTracking() . MyTable. It always turns off tracking for an entire statement. Error:- 'string' does not contain a definition for 'GetAwaiter' and no accessible extension method 'GetAwaiter' 0 C# does not contain a definition for 'GetAwaiter' and the best extension method overload requires a receiver of type 'Task' Oct 7, 2019 · int' does not contain a definition for 'contains' and no extension method 'contains' accepting a first argument of type 'int' could be found 3 'int' does not contain a definition for 'Contains' and the best extension method overload 'Queryable. Mvc. Here's the point. _context. Book>' Aug 21, 2019 · Looks like you're storing plain text passwords in your database. We are using EF 6 theninclude on collection is not working. CountAsync<TSource>(IQueryable<TSource>, CancellationToken) Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. microsoft. mktDoctorContacts . Api project. Select(b=> b. Unlike EF 6, we can specify a lambda expression as a parameter in the Include() method to specify a navigation property as shown below. Nov 27, 2015 · public static IQueryable<T> ThenIncludeQueryEx<T, TPreviousProperty, TProperty>(IQueryable<T> query, string propertyName) where T : InternalObject { var pe = Expression. Any(t => t. Product). Apr 11, 2017 · 'ICollection<OptionType>' does not contain a definition for 'ProductOption' and no extension method 'ProductOption' accepting a first argument of type 'ICollection<OptionType>' could be found (are you missing a using directive or an assembly reference?) Here are the two entities in question and related code Dec 11, 2015 · You must have using System. The method itself does not need to be asynchronous, it can be consumed by both synchronous and asynchronous calls: public IQueryable<Employee> FindAllEmployees() { IQueryable<Employee> query = _employee. Tasks is a collection of task objects, not a query, and is not awaitable. If the underlying query object does not have a AsNoTracking method, then calling this method will have no affect. 1) GroupBy form System. ParallelQuery<TSource>, TSource, System. I really appreciate you taking the time to help me! This is exactly what I needed! May 2, 2021 · Does not contain a definition for Where and no extension method? 2 Could not find an implementation of the query pattern for source type 'System. GetStudentsAsync(1, null, CancellationToken. ToListAsync LINQ expression. Linq; at the begining of the code file. First(); - that will succeed with no problems, despite still calling Queryable. Contains. Mar 14, 2015 · Your substrings variable is a string[], but disposableSeparators is a char[] - and Except works on two sequences of the same type. VeracrossMock . CountAsync<TSource>(IQueryable<TSource>) Asynchronously returns the number of elements in a sequence. The first part of the first comment above ("You only need Nov 30, 2016 · brandId is a sequence (when materialized) and it is not a single object, so it doesn't contains a definition of ID. 0 driver: Blog. Contains(IQueryable,int)' requires a receiver of type 'IQueryable Aug 26, 2021 · 'Task<IEnumerable<Category>>' does not contain a definition for 'ProjectTo' and the best extension method overload 'Extensions. Blog) Just as with Visual Studio, you won't see the ThenInclude method appear in the autocompletion listing due to a bug in Roslyn, although it compiles and runs correctly. IQueryable' does not contain a definition for 'Where' and no extension method 'Where' accepting a first argument of type 'System. Oct 8, 2019 · 'IGrouping>' does not contain a definition for 'Sum' and the best extension method overload 'Queryable. Linq. Delta flows from a. 0 Currently does not support adding Filters in Include/ThenInclude methods. IQueryable<TSource>, TSource)' has some invalid arguments. ID); IQueryable<Product> srtItems = _db. 1 Declaring Extension Methods. Where(p=> brandIds. This code used to work perfectly with EF Core 2. ExecuteSqlRaw("delete from MyTable;"); But I get the error: DbSet' does not contain a definition for 'ExecuteSqlRaw I am connecting to an Oracle DB and want to do a simple query using Include: but I am getting this error: CS1061 'ISessionTable<People>' does not contain a definition for 'Include' and no extension method 'Include' accepting a first argument of type 'ISessionTable<People>' could be found (press F4 to add a using directive or assembly reference) If your function calls other async functions, consider remembering the returned task instead of await, do other useful stuff you need to do and await the task when you need the result; If you really want to let another thread do the busy stuff. The correct code is more likely to look like: public Product GetProductByID(int id) { return new DbContext(). I have EF 5 and i want to make a Task await method. Asking for help, clarification, or responding to other answers. Name; return designationDto; }) . As a side note, if your implementation doesn't explicitly require a List, I'd suggest just returning an IEnumerable: Sep 11, 2013 · 'System. I tried. IEnumerable)' has some invalid arguments May 1, 2020 · How can I pass an objects of type IIncludableQueryable to a DbSet<> object?IQueryable type works but not IIncludableQueryable, when using Include and ThenInclude,. Data Dec 14, 2018 · < Task< IEnumerable< Vessel>> does not contain a definition for 'ToDataSourceResult' and the best extension method overload 'QueryableExtensions. Jun 25, 2018 · Hope this might be useful as it's related to the above issue and is likely that others will have the same problem. MapClient - try to do that using Expressions (Select before ToList) and your queries will get only needed data. For example, try string y = new string[0]. method' requires a receiver of type 'typeA' Oct 6, 2019 · I'm building my query dynamically, I have a method that receives an IOrderedQueryable&lt;T&gt; which is optional. Is there a way to do this? Nov 9, 2020 · So try do not do that. Add more methods to repository according to concrete case. IQueryable' could be found (are you missing a using directive or an assembly reference?) But I can call . Files). So lets test this theory by using the following. Provide details and share your research! But avoid …. The following tutorial has examples of ThenInclude() as well as many other best practices. Any help would be greatly appreciated. Include(include). ThenInclude (p => p. ToDataSourceResult(DataTable, DataSourceRequest)' requires a receiver of type 'DataTable' I followed the Kendo documentation for Core and WebApi to complete this method but I can't get it to work. PurchasedFromContactID, SUM (lp. When you call the Include method, the query path is only valid on the returned instance of the IQueryable<T>. 26. I have this code, and i dont figured out what is wrong with my code. Entity. Dynamic: public static IQueryable GroupBy(this IQueryable source, string keySelector, string elementSelector, params object[] values) { this method requires three parameters and your code provides two - you have to provide elementSelector. The type of entity is System. Connection = System. Determines whether an IQueryable<T> contains a specified element. Mar 5, 2020 · 'int' does not contain a definition for 'Contains' and the best extension method overload 'Queryable. Aug 16, 2019 · The call to Include doesn't cause a warning because although a. Entity; Nov 15, 2019 · Thanks! But 'IQueryable<Act>' does not contain a definition for 'ThenInclude' and no accessible extension method 'ThenInclude' accepting a first argument of type 'IQueryable<Act>' could be found . IIncludable<TEntity, TProperty> is almost like IIncludableQueryable<TEntity, TProperty> from EF, but it does not extend IQueryable and does not allow reshaping the query. ClassesD); return query; } But i don't know how to do that as a IQueryable<T> and pass the . Linq and System. ID == t. Since you have provided a method GetAccountFrom you could also use this: public IEnumerable<Account> GetAccountFrom(string file) { return _accountReader. invalidincludepatherror' You need to have the System. ID)). Car). Where(p=> brands. Union(IQueryable, IEnumerable)' requires a receiver of type 'IQueryable' It is confusing because the message is misleading and VS intellisense recognizes the extension methods. ID) If you absolutely must use an expression, there are a couple of things you could do. IEqualityComparer<TSource>) has some invalid arguments Aug 7, 2014 · I have coded a C# MVC5 Internet application, and have a question about using the . Jun 27, 2017 · CS1061 'IQueryable' does not contain a definition for 'Include' and no extension method 'Include' accepting a first argument of type 'IQueryable' could be found (are you missing a using directive or an assembly reference?) Feb 22, 2019 · Hi, I am getting this error; 'microsoft. For me, this is a major deficiency in EF. Resource. IEnumerable<out TEntity>, System. IEnumerable, System. Test method should accept a linked IIncludableQueryable element (. Contains<TSource>(System. table1 where q. ToList(); If you look in pagedlist extensions definition then you will see that you can also use iqueryable // Summary: // Creates a subset of this collection of objects that can be individually accessed // by index and containing metadata about the collection of objects the subset // was created from. Configuration. Oct 11, 2019 · I'm trying to use EF Core 3 to delete all rows from a table like: db. EF Core says ICollection<RequestDetail> does not contain a definition for 'Include'. It's an extension method in Queryable, yes - which makes calls on the IQueryable<T> in the first parameter. I am trying to use a union in my code: var qryQuestions = (from q in db. FromSql inside of a service that resided in a seperate service project from the Web. Include(m => m. var designationDtos = queryResult. The following code example demonstrates how to use Contains<TSource>(IQueryable<TSource>, TSource) to determine whether a sequence contains a specific element. IEqualityComparer)' has some invalid arguments . Dec 5, 2016 · 'IQueryable' does not contain a definition for 'GetAwaiter' and no extension method 'GetAwaiter' accepting a first argument of type 'IQueryable' could be found (are you missing a using directive or an assembly reference?) Here is my code. scaninfo is of type List<ScanInfo> , and the lambda expression a => a. Posts). Any instead. Take (100). Your query will also return companies (with people) not people. Model); When you use the Include overload with string argument, there is no need of ThenInclude since you can specify the whole property path in the passed string: So we have a customer which can do an order. Select(zb => new { Key = zb. Jan 19, 2017 · IGrouping <int, LeadPurchases> does not contain a definition for ContactID, and no extension method blah blah blah This is the SQL I am trying to emulate: SELECT lp. I have to fill my DataGridView with that SQL request : SELECT LOT. Select(a2 => a2. Don't even think about storing passwords in plain text. Include(e => e. Extensions for asp. net MVC 5 existing project as I am unable to find the same. IQueryable' does not contain a definition for 'OrderByDescending' and no extension method 'OrderByDescending' accepting a first argument of type 'System. It would be interesting the hear some EFC team member what was the reason behind the decision to change the pattern to Include / ThenInclude which apparently cannot be represented this way, and more importantly, what's the EFC replacement. Anyway EF Core 5 has AsSplitQuery extension which may or not speedup this nightmare. Feb 24, 2011 · I have this code var contacts = dr. irehrf vjbc tayltkc gaii wetu ewkkc xunjg mjkkpfnz yrlmsld uik