Guidelines

How do I add a stored procedure to an existing EDMX file?

How do I add a stored procedure to an existing EDMX file?

Answers

  1. Right click the entity or empty area in designer windows.
  2. Choose Add>>Function Import…
  3. Type the Function Import Name as you like, choose the corresponding Stored Procedure Name in the dropdown list, and set the correct return type of this function.
  4. Then you call the method like this: context.

How do I delete a stored procedure in Entity Framework?

Use the following procedure.

  1. Open the Model Browser, right-click on the Model, and choose Update model from the database.
  2. Select the Stored Procedure name to add.
  3. Now, again we need to map the entity model with the Stored Procedure.
  4. Now select the delete function and choose the delete procedure.

How do I view stored procedures in Entity Framework?

The following is the procedure to import and use a Stored Procedure in Entity Framework.

  1. Step 1: Import Stored Procedure.
  2. Step 2: Right-click Stored Procedure and select “Add Function Import”.
  3. Step 3: Here, we can map a returned object of our Stored Procedure.

How can we call stored procedure in web API using Entity Framework?

Implementation of ASP.NET Core, Web API with Entity Framework call Stored Procedure

  1. Step 1, Create a ASP.NET Core Web API application (see Part I-D);
  2. Step 2, Set up database;
  3. Step 3, Create Entity classses;
  4. Step 4, Set up DbContext and data connection;

How do you update a stored procedure in Entity Framework 6 first?

Go to “Model Browser” > “Function Imports” > find the desired stored procedure class > right click and click on “Edit” In “Edit Function Import” form, in “Returns a Collection Of” section, click on “Update” button. Click “OK” to finish the refresh.

How do you call SP in Entity Framework?

  1. Stored Procedure as Entity Function. The Entity Framework has the capability of importing a Stored Procedure as a function.
  2. Call Stored Procedure using ExecuteStoreQuery function. “ExecuteStoreQuery” should be used to query data.
  3. Call Stored Procedure using DbDataReader.

How do I create a new stored procedure in Entity Framework database first?

Open the SchoolModel. Store node and then open the Stored Procedures node. Then right-click the GetCourses stored procedure and select Add Function Import. In the Add Function Import dialog box, under Returns a Collection Of select Entities, and then select Course as the entity type returned.

How do you call a stored procedure in REST API?

1) GET method

  1. Create the URL.
  2. Pass the parameters if required.
  3. Create an OLE object using the sp_OACreate procedure.
  4. Pass the created OLE object and make an HTTP request call.
  5. Handle the response received from API.
  6. Parse the JSON records and insert/ update in the desired table.

How to update a stored procedure after adding it to entity?

I’ve seen two problems with updating a Stored Procedure after adding it to the entity framework: Open the .edmx file (in the GUI designer). Right-click in some open space and select “Update Model from Database”. Click Finish (when able) on the pop-up window. Your SPROC’s signature should be updated (along with any Function Imports).

Can you pass parameters to a stored procedure in Entity Framework?

You can also pass parameters to a stored procedure so that the stored procedure can act based on the parameter value (s) that is passed. The Entity Framework allows you to use stored procedures in the Entity Data Model. You can use stored procedures to perform predefined logic on database tables.

Can I use stored procedures in EF6?

Starting in EF6 you can configure your Code First model to use stored procedures for some or all entities in your model. You can opt into using stored procedures for insert, update and delete using the Fluent API.

What are the parameters of the update stored procedure?

The update stored procedure will have a parameter for every property, except for those marked with a store generated pattern of ‘Computed’. Some concurrency tokens require a parameter for the original value, see the Concurrency Tokens section below for details.