Entity framework stored procedure

Entity framework stored procedure. Hoping other eyes can spot the problem. NET ecosystem. However, it’s perfectly possible to rig up the framework to work with stored procedures, instead. We will use the following stored procedures for Student entity: sp_InsertStudentInfo: Inserts a new student record into the database. Firstly, I have created a model class with property names to match the columns returned by the SP. I am trying to run the following transaction using Entity Framework. Next, create a new migration using EF Core’s migration commands. You can use stored procedures to perform predefined logic on database tables, and many organizations have policies in place that require the use of these stored procedures. Apr 26, 2017 · CREATE PROCEDURE [dbo]. The easiest way to work with stored procedures that perform an update is to use the EF Designer: Just select Add | New Item and, in the Add New Item dialog, pick the ADO. cs(which is auto generated) file, code looks like below public virtual ObjectResult&lt;Nullable&lt;int&gt;&gt; Proc_sp( Using code-first methodology and EF 4. I have an imported Entity Function from a Stored Procedure that I'd like to call asynchronously this way in Entity Framework 6. Using TransactionScope is fundamentally different - this is an "umbrella" over all the database operations - including Nov 20, 2014 · I'm investigating different ways of calling stored procedures (stored procedures that are NOT tied to entities) using EF. where. [Key] Dec 24, 2020 · My C# MVC application is using EF to call a stored procedure in db. I have an ASP. [sproc] '2016-02-01', '2016-02-29' However, when running using Entity Framework it seems to takes 1 second and not actually do what it's supposed to do, even though I'm passing in the same parameters Jun 21, 2011 · Now compare this to the entity framework: In the EF I would simply map my stored procedure to my entity in the edmx. May 5, 2010 · Here is piece of code that works fine: IQueryable<SomeEntitiy> someEntities; var globbalyFilteredSomeEntities =. select * from Students. Is it possible? Here is the code that I use to call the stored procedure: Aug 21, 2015 · The reason that you get -1 for result is that Entity Framework cannot support Stored Procedure Return values out of the box. Let’s start by adding a migration with EF Core global tool command: dotnet ef migrations add spUpdateProfilesCountry. I need to read the return value from a stored procedure; I am already reading output parameters and sending input parameters, but I don't know how to read the return value. Just in case someone landed here looking to execute stored procedure in MySQL database from EntityFramework Core, the following code should work. stored. Jan 3, 2014 · 281. I was seeing the same issue, but in my case it turned out to be my database connection string that was using a user with limited permissions. SqlDbType = SqlDbType. Select Data from the left menu and then select ADO. Inside transaction scope I call stored procedure from the DB. var result = _context. CreateLeavePrerequest(. using (mother_Entities entitiesContext = context. Entity Framework 6 Code-First provides the ability to create and use a stored procedure for add, update, and delete operations when the SaveChanges() method is called. Let us use stored procedures for the CUD (Create/Insert, Update, Delete) operations for the following Aug 21, 2016 · is it possible to execute a stored procedure using EF, that select records from database from two or more tables using inner join and left outer join. Stored Procedures with Multiple Result Sets. In this chapter, we will use stored procedures for CUD (create, update, delete) operations for an entity when we call the SaveChanges() method in the database-first approach. The Entity Framework Code-First Approach allows us to create and use stored procedures for Insert, Update, and Delete database operations when the SaveChanges () method is called on the context object. It then pulls the first (and only) value from the result: Dim res As String. The GetAsync() method uses FromSql() method that accepts spGetProducts stored procedure as an input parameter. This scenario is commonly used to reduce the number of database round trips required to compose a single screen. A clever bit of code gets us around this limitation, returning non-database entities with ease. If a record is found, insert it into the temp table. Microsoft’s Entity Framework Core is a popular object-relational mapper, but it doesn’t support the return of complex type results from stored procedures. This creates an entry for the stored procedure in your physical storage model. Nov 30, 2011 · In that case, your steps are: go to your EF model (*. Also Entity Framework doesn't have rich stored procedure support because its an ORM, not a SQL replacement. Apr 29, 2014 · Using the Designer. Model = MyDbContext. Age from tableB B select C. id, B. You can call a stored procedure in your DbContext class as follows. A Database consists of many tables, many views, and many functions. I think support of stored procedure return values depends on version of Entity framework. Param from tableC C Usually, I would handle a single result stored procedure with Entity Framework Core like this: Context: Jul 8, 2023 · 3 answers. Sql(sp); // To execute a stored procedure, you can call FromSqlRaw method, like this: In this case,First we need to run the Add-Migration Command, then this Up & Down Methods will come, this is more or less like Workaround i think. Entity Framework Core allows you to drop down to SQL queries when working with a relational database. Now, I'm trying to use Entity Framework 4+ to call the stored procedure. I'm trying to execute this procedure from EF as follows. I have stored procedure that I need to execute from . It's also bad for your stored procedure performance. 2 application using EF Core. Net is caching. Sep 27, 2019 · We support stored procedures in our Entity Framework Code First Migrations. Inject your stored procedure class in startup class . Create . Lambdas are used as LINQ arguments to standard query operator methods. Database. g. NET CORE, Entity Framework core. [IntsTTV] AS TABLE(. Jan 12, 2016 · So, in order to fetch rows via a stored procedure in this manner, you must return all columns for that entity type which the DBSet is associated with, even if you don't need all the data for this specific call. BlogTags. Configures the stored procedure that the entity type uses for inserts when targeting a relational database. In the generated migration class, the Up() method creates a stored procedure while the Down() method drops it. NET Core 2. Here is a simple working demo on getting the user data from the database by stored procedures . SqlQuery() function and map them to an entity type. Second, Please add a new item called ADO. Step 6: Save Edmx (Ctrl+S), Clean Solution , Update Model From Database and select your procedure which you would like to get updated then finally clean, build solution. It can also specify that EF should use your stored procedures for inserting, updating, or deleting entities. In you case if you changed the proc to return all the columns from ZebraSubPrinters, you could use that DataSet to execute the query. It has three input parameters: @ProjectID(int), @VendorID(int), and @Workdate(datetime), and returns @POID(int). Aug 24, 2023 · Show 3 more. return the rows from the temp table. SqlQuery("EXEC YourStoredProcedure"). Dash. Single. exec [dbo]. To execute a stored procedure in EF core, you follow these steps: First, create a new migration that manages a stored procedure in the database by running the Add-Migration command in Package Console Manager. The Entity Framework allows you to use stored procedures in the Entity Data Model instead of, or in combination with, its automatic command generation. With the latest release of EF Core Power Tools, you can opt-in to have any SQL Server stored procedures in your database made available to you. DequeueMessages" // These are stored procedure parameters , c => new{ MessageCount = c. Our approach is to create some folder to hold the . For calling stored procedures I define a regular class to hold the results - so one property for each column in the result set. Note it may have been smarter for Entity Framework to execute the stored proc with default values for the arguments, as opposed to NULLs. Value) {. The RTM version of EF Core should be available very soon (end June 2016) but will only include support for calling stored procedures that return entities. SqlQuery<YourEntityType>("storedProcedureName",params); But if your stored procedure returns multiple result sets as your sample code, then you can see this helpful article on MSDN. Background. SQL queries can return regular entity types or keyless entity types that are part of your model. SqlQuery("EXEC Dec 12, 2022 · Executing stored procedure from Entity Framework 7. please try to figure out. My colleague seems to think it's something to do with a bad execution plan that . END"; migrationBuilder. Feb 5, 2020 · I want to load 3 different models from a SQL Server stored procedure which returns 3 different tables, like: select A. sql and Drop_sp_DoSomething. The CreateAsync() method accepts ProductMaster as input parameter. sp_UpdateStudent: Updates a student Oct 14, 2020 · Sometimes when using stored procedures you will need to return more than one result set. modelBuilder. Most of the change over was relatively simple, however, I have run into a fairly major issue. Currently, I'm using the approach found here using the designer (in this approach, I import a stored procedure, create a function import and use a complex type as my mapped object). Feb 28, 2013 · 2. 114. I don't like this because it relies on a Aug 10, 2020 · Aug 10, 2020. I could then access stored procedures via the complex type objects exposed by entity framework. [cpas_POIDVendorProjectDate] May 27, 2021 · Running a stored procedure is outside the scope of the EF Change Tracker - so if you base your "rollback" on simply things in the Change Tracker, you won't be able to properly handle anything your stored procedure have done. But I am unable to find a way to create stored procedures using Entity Framework Code First. I am changing my LINQ-to-SQL code in my project to Entity Framework. Feb 4, 2014 · 6. NET project, check to see which user id is accessing the database. Entity Framework 5 - RETURN(X) from a Aug 17, 2016 · 0. This is what I added to the Repository<T> class: . However in one of the method ( Assign method below) I need to use stored procedure. NET Entity Data Model. Feb 15, 2014 · I am trying to run a simple stored procedure on my SQL Server 2008 R2. I assume that EF is not able to work out the schema structure without a certain level of rights for the connection being used. The context class has methods that execute certain stored procedures using SqlQuery<T>. For your specific case, since you are using the entity framework, one should consider using stored procedures when the entity framework fails to meet a requirement or concern. In other words, we can say that Stored Procedures are a block of code designed to perform a task whenever it is called. However, there are situations like this where we would want to know who sent a request for leave, and we would like to be able to intercept this Insert query. Essentially the process I'm using is to: I am using Entity Framework Code First in my current project. The FromSql() method returns List of data returned from the stored procedure. The entity framework does a decent job and performance will be close or equal to using stored procedures. CommandTimeout = 120 in seconds Oct 8, 2013 · I'd like to just punt a call over to the SQL Server and not wait for a return. Oct 10, 2023 · Step 2. You execute a stored proc with the FromSql () and use the “exec spname” query syntax. Aug 20, 2011 · Entity Framework will try to get the columns by executing your stored procedure, passing NULL for every argument. Please make sure that the stored procedure will return something under all the circumstances. NET Core framework, which is intended for cross-platform development. Feb 19, 2019 · I think EF 6's Command Interception should work well for my purposes. Second, Please click EF Designer from database and click Next. From this screen, we can create a Complex Entity as well. SomeEntitiy. I looked up on the internet and found DbContext. this. After you have saved your stored procedure, open the EDMX file in Visual Studio, refresh the data model, go to the Entity Frameworks model browser. Step 4: Open Functions Imports and delete your procedure. SqlQuery<T>(sql, parameters); This way, you can execute your store procedures as I show below: Jun 3, 2016 · It seems that the stored procedure also runs slowly when called via ADO. That Stored Procedure performs some joins with other tables and returns one or more records. ToList(); OR with parameters. By default, Entity Framework renders your CRUD operations as standard SQL Insert, Update, and Delete statements. Execute the stored procedure . Nov 11, 2020 · BEGIN. Create and execute a stored procedure in MS SQL Server and see the results in EF Core. Right-click on the workspace area of your Entity model and choose Add -> Function Import. Entity<MyModelClass>(). Create a new stored procedure. Jan 15, 2013 at 16:51. public partial class Users. from se in m_Entities. Database property and I am able to execute stored procedures with the . Entity Framework 6. Please Click Here to learn more about SQL Server Stored Procedure. 1 to generate my POCO classes, which works generally pretty well. Don't forget to make your result class fields, same as result form stored procedure . status doesn't have an Id. I am using the entity framework to do so: context. ExecuteSqlCommand since one of my parameters is a datatable. However you can always increase the timeout by setting value of context. Nov 25, 2015 · I'm trying to call a stored procedure from EF using context. See the limitations, parameters and examples of each method. // a lot of create, insert, update operations goes here. NET Entity Data Model in the Templates pane. protected override void OnModelCreating(DbModelBuilder modelBuilder) {. Mối quan hệ giữa stored procedure vs entity framework có thể hiểu như sau: Tích hợp: EF có thể sử dụng stored procedures để thực hiện các thao Dec 14, 2019 · 1. In EF Core 3. 5 . right-click and select Update Model from Database. MyProcedure(null) ), null is simply passed as the parameter to the SQL server's stored procedure. x to allow stored procedures to be executed we had to expose a stored procedure through an EDMX designer, regenerate the data context class and call the stored procedure through a partial class of the context class. in Context. In the database I've created these types/procs: CREATE TYPE [dbo]. In the model browser, locate your stored procedure, open up the "Edit Function Import" dialog, select "Returns a collection of Sep 24, 2015 · You need to Import the stored procedure as a Function. Apr 22, 2014 · Try to remove/comment content of the stored procedure and add single simple SELECT statement which returns a set of constants which has completely the same types and names like fields in your real result set. Calling a Stored Procedure in Entity Framework Core can be done in a few different ways depending on whether your stored procedure returns data, performs an INSERT, UPDATE, DELETE, or executes a command. By editing the stored procedure and saving it again it seemed to clear whatever was in the cache and both the ADO. Create_sp_DoSomething. ToList(); To pass a parameter, you woild do something like. May 29, 2017 · I need to access stored procedures using my context. I am able to create tables using Entity Framework Code First. 1 (and seemingly 3. FromSql($"call storedProcedureName()"). SQL queries are useful if the query you want can't be expressed using LINQ, or if a LINQ query causes EF to generate inefficient SQL. Microsoft has reserved that prefix for its own use (see Naming Stored Procedures), and you do run the risk of a name clash sometime in the future. class Student. NET class. config file on your . se. var result = dbContext. , 'constant' nb_programa. ToView(null); Jun 11, 2023 · Entity Framework Core (EF Core) is a popular object-relational mapping (ORM) framework in the . Aug 24, 2018 · I am working on . using (var transactionScope = new TransactionScope()) {. I've read many posts and think I understand the concepts, but my small array of ints fails to pass from a C#/EF module to a SQL Server stored proc. In the Choose Model Contents dialog box, select Generate from database, and then click Next. Fourth, Please choose the table and the stored procedure and click finish. 3. NET Entity Data Model to my project. This video shows how to create the procedure, execute it, and bring the results b Working with stored procedures using the Entity Framework (EF) is a challenge because depending on what the stored procedure does determines how you call it using EF. Jan 15, 2013 at 16:50. I just imported the first stored procedure: cpas_POIDVendorProjectDate. Entity<tblError>(). Example: public IEnumerable<Results> GetData(int id) {. First of all we need to add a stored procedure. Bar. Mar 29, 2017 · Entity Framework uses underlying connection provider and depends on the timeout provided by the provider. I fired up the Sql Profiler and traced the calls that time out and finally found out these things: But when called from web application, it takes in excess of 30 seconds (in trace) so my webpage actually times out by then. But the function import interface won't generate columns. Net Framework, SQL Server 2014. This stored procedure returns all products from the ProductMaster table from the database. SqlQuery(Of String)("ReturnNonIntegerValue"). Aug 31, 2022 · Working with stored procedures using the Entity Framework (EF) is a challenge because depending on what the stored procedure does determines how you call it using EF. config or web. Executing a LINQ query using a lambda expression and Entity Framework stored procedure mapping LINQ queries can include lambda expressions. When I am using LINQ it works good, but I prefer Stored Procedures. Mar 19, 2012 · using cursors, check each table in the view for the phone number, using sql concatenation. I have service class which typically use a DbContext for any CRUD operations. So I am using the following code. the Id is your idAsset or something related with your asset table. The return type may be a scalar value or a collection of Model Entities or a collection of Complex (Custom) Entities. [yourstoredprocedure] -- Add the parameters for the stored procedure here @varone bigint ,@vartwo Date ,@varthree double precision OUTPUT ,@varfour bigint OUTPUT AS BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. Jan 3, 2013 · I am using EF6 and the DbMigration class provides methods to Create/Alter/Delete stored procedures. It still uses --table or -t, or will be picked up with all the other tables and views if you don't pass particular tables/views. Done ! Dec 24, 2016 · 2. May 30, 2014 · This example calls the previous stored procedure and captures the result returned by the procedure. var blogTagId = 1; var tags = await _dbContext. To run the code in this example. ToListAsync(); answered Nov 24, 2021 at 17:10. {. Here, we can map a returned object of our Stored Procedure. [IndicatorList] READONLY, @startDate DATETIME, @endDate DATETIME May 13, 2021 · 1. The stored procedure helps in pre-defined logic on the tables of the database. ; In the Add Function Import dialog, enter the name you want your stored procedure to be referred to in your model for example GetCountryListSP, choose your procedure from the drop down list, and choose the return value of the procedure to be Entities Feb 28, 2023 · Entity Framework Stored Procedure. Entity Framework - stored procedure return value. GlobalFilter == 1234. sql files in the folder for both creating and dropping the stored procedure. Oct 22, 2015 · So I've got a DB in SQL Server that I'm connecting to and using Entity Framework 4. There's less risk of a typo, since the entity framework tools will automatically generate the mapping by analyzing my stored procedure. FromSqlRaw("CALL SP_GetBlogTags({0})", blogTagId). Entity Framework: how do I run a stored procedure and return a value? 1. My stored procedure takes number of 'Context' and I don't know how to deal this, although I have dataView which is final exception. Open your command-line interface and execute the following command: dotnet ef migrations add Jan 20, 2014 · I am calling a stored procedure on a SQL server DB that accepts Date parameters where d1, d2 are c# DateTime type. This inconsistency, along with the names of the methods you call to submit a stored procedure changing from one version of EF to the next, can lead to much frustration for developers. Date,dt2. With LINQ-to-SQL, I was able to load an entire object graph (for Model B) using stored procedures like so: ViewModel. select se; I can use this to apply global filter, and later use the result in something like: result = globbalyFilteredSomeEntities. Like. Test, C. For example when we write. saving. For more information, see How to: Use the Entity Data Model Wizard. Note that there is also another variant called ExecuteSqlRaw() which is of synchronous type. The Entity Framework allows you to use stored procedures to perform predefined logic on database tables. Sep 15, 2021 · This topic shows how to execute a parameterized stored procedure by using the EntityCommand class. SELECT 1 cod_programa. Let us understand this with an example. edmx file) in the designer. I then define it as a keyless entity type, so the following goes in the OnModelCreating () method of your database context class: modelBuilder. Jul 31, 2019 · Using EF Core to invoke stored procedure and closing connection. I imported it as a function. I'm using EF6, 4. InsertUsingStoredProcedure(EntityTypeBuilder, String, Action<StoredProcedureBuilder>) Configures the stored procedure that the entity type uses for inserts when targeting a relational database. MapToStoredProcedures(); } Then it will create 3 stored procedures in the database with the names of tblError_Delete, tblError_Insert, tblError_Update. 3. Enter EFwithSProcsModel. This will generate a migration, that we can put our SQL into. Next: Feb 23, 2023 · The Entity Framework allows you to use stored procedures to perform predefined logic on database tables. Usually its 30 seconds for the timeout if I am not mistaken. Feb 20, 2024 · Step 2: Define the Migration. I have stored procedure that insanely times out every single time it's called from the web application. Step 3. When I am running the procedure using the Studio Management, I get an answer after less than a second, when running using EF, I get timeout exception after 2 minutes (I set the CommandTimeout to 2 minutes). usp_ModelA_GetByID(AId). Removed some properties for simplification, Feb 26, 2016 · When I run the below stored procedure in SQL Management Studio, it runs as expected and takes around 5 minutes to complete. 0. Additionally, since Include / ThenInclude require EF Core IQueryable<>, AsEnumerable / AsAsyncEnumerable etc. id, A. DBSetName. I'm using Entity Framework 5 with the Code First approach. 0) there is support for views. Jan 28, 2018 · In order to get the results mapped as a c# object, you need to use SqlQuery or FromSql depending on the version of Entity Framework that you are using. Add the School Model to your project and configure your project to use the Entity Framework. [myProc] @customerId INT, @indicatorTypeId INT, @indicators [mySchema]. Learn how to execute the database stored procedure in EF Core using two methods: FromSql and ExecuteSqlCommand. Raw SQL queries can be used to execute a stored procedure. Dec 13, 2017 · Side note: you should not use the sp_ prefix for your stored procedures. There are also stored procedures that I am using the 'function import' feature to create retrieve the resulting rows of data from calling them. is not an option. x to 6. To find out: In your app. Single(); Jul 19, 2021 · Retrieve data using a stored procedure in Entity Framework Core in DotNet5. public partial class MyFirstMigration : DbMigration { public override void Up() { // Create a new store procedure CreateStoredProcedure("dbo. Net. Let's use stored procedures for the CUD (Create, Update, Delete) operations for the following Student entity. May 19, 2017 · I am working with Entity Framework but can't figure out how to call the stored procedure working in C#. 1 I created a context class, entity classes, and classes to store the stored procedure output. Here are the procedure's parameters : ALTER PROCEDURE [mySchema]. Oct 14, 2019 · 2. Right-click Stored Procedure and select "Add Function Import". Net and EF call to the stored procedure work well. Entity Framework can automate the creation of commands for the database based on the Entity SQL queries or the LINQ-to-Entities, which create the commands for deleting, updating, and inserting the data. res = soe. Jul 29, 2013 · You will create IStoredProcedure interface and implement it in stored procedure using generic . See Reverse engineering of database views in New features in Entity Framework Core 3. The entity framework also will handle optimistic concurrency without any problems. Date; Jun 17, 2014 · to solve this entity framework issue and assuming you already have a stored procedure working and you don't want to fix the places where it works good using other ways then EF you can replace the: RETURN(0) with: BEGIN SELECT(0) RETURN(0) END that is if its a part of an IF sentence, May 20, 2022 · SELECT Name from Employee where Age>@age. Prior to EF5, Entity Framework would allow the stored procedure to be called but would only return the first result set to the calling code. In this article, we’ll explore Entity Framework stored procedure mapping, as well as how to call stored procedures manually. 2. using (DataContext context = new DataContext()) {. [Id] [int] NOT NULL. edmx for the file name, and then click Add. var result = context. In my previous post I showed how you can map and use stored procedures manually from EF Core, a process which involved quite a bit of code, and some changes to your derived DbContext. E. public int StudentId { get; set; } Apr 24, 2021 · In the legacy Entity Framework 4. my point of view is to avoid the method of doing joins in EF or LINQ, which i have many issues with it. I just want to call the stored procedure from C# using Entity Framework. What is not clear is the the entity used must match the sp results. sql files (~/Sql/ for example). Here's the SQL code: CREATE PROCEDURE [dbo]. NET Core 3. May 25, 2021 · Right-click the project in Solution Explorer and select Add -> New Item. Is this possible? What's the syntax? Entity Function: RecalculateBudgetNumbers(int id) Jan 26, 2015 · This is perfect for tables/views that map to entities, but I cannot unit test data coming through stored procedures. Jun 24, 2019 · In . – spajce. Third, Please choose database and click Next. ExecuteSqlCommand("myprocedure @p1 @p2",dt1. User model. I'm having a procedure which simply returns data from multiple tables. That is quite a fair amount of overhead to call a stored procedure. This answer is useful. This all works in straight T-SQL. HasNoKey(). Implementation: (1) first step Mar 27, 2024 · Entity Framework (EF) và stored procedures là hai khái niệm liên quan đến làm việc với cơ sở dữ liệu trong môi trường phát triển ứng dụng. var parameters = new SqlParameter[] { new SqlParameter("@id", id) }; Dec 17, 2019 · Use AsEnumerable or AsAsyncEnumerable method right after FromSqlRaw or FromSqlInterpolated methods to make sure that EF Core doesn't try to compose over a stored procedure. Updates, inserts, and deletes can be executed on an entity by mapping Oracle stored procedures to these operations in the EDM. Int() }, // Here is the stored Oct 8, 2013 · 1. Sep 27, 2022 · The Entity Framework Core ExecuteSqlRawAsync() method is used to execute Stored Procedures and Raw SQL in asynchronous manner. Here is a simple stored procedure, it will return all the records from Customers table when executed. In earlier version of entity framework it was simple by selecting the stored procedure objects in the wizard and generating an edmx that contains those objects. pick the stored procedure you want to use and go through the wizard. A Stored Procedure is a database object which contains Pre-Compiled SQL queries (a group of T-SQL Statements). I am using Visual Studio 2013. procedure. The best way to do so is to add a database migration with an appropriate SQL. Date) It didn't return results so I tried: var p0 = new SqlParameter("p0",dt1); p0. Jun 16, 2016 · Entity Framework Core (previously known as Entity Framework 7) is a new version of EF designed for use with the new ASP. As you work through the wizard, pick Generate From Database on the first screen and select the stored procedures you want to use on Feb 17, 2023 · Create a New Project Stored Procedure. But unlike FromSqlRaw() method, it returns the number of affected rows. Jun 7, 2017 · This may be because Entity Framework is signing on to the database with a user id that does not have permission to execute stored procedures. Jan 16, 2015 · In your UnitOfWork class you could create a generic method like this: private YourContext Context { get; set; } public DbRawSqlQuery<T> SQLQuery<T>(string sql, params object[] parameters) return Context. Step 5 Open StoredProcedur and Functions and delete your procedure. Performance optimization: Stored procedures can be optimized for performance by Feb 18, 2013 · Exactly how does the stored procedure/function get executed in this case? I did a test myself with SQL Profiler, and noticed that when I intentionally pass null as a parameter (by calling something like context. – Carlos Magno Rosa. Aug 27, 2020 · Adding a stored procedure. 0 , you need to use the FromSqlRaw extension method to execute a stored procedure. 0-rc1. An Expert Workaround for Executing Complex Entity Framework Core Stored Procedures. 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