![]() ![]() Right-click on the design surface and select Add New -> Association.ī. Now that we have a couple of entities, add an association (or relationship) between them.Ī. Add Title and Content scalar properties to the Post entity.Ĥ. Using the same steps used to create the Blog entity, add a Post entity with a PostId key property. This allows us to save a Blog to the database without assigning it a Url. Right-click on the Url property on the design surface and select Properties, in the Properties window change the Nullable setting to True Repeat this process to add a Url property. Right-click on the new entity on the design surface and select Add New -> Scalar Property, enter Name as the name of the property.į. Enter Blog as the entity name and BlogId as the key name and click OK.Į. Right-click on the design surface and select Add New -> Entity.ĭ. This is the name of the derived context that will be generated for you, the context represents a session with the database, allowing us to query and save data.Ĭ. In the Properties window change the Entity Container Name to BloggingContext. Right-click on the design surface and select Properties.ī. Now we can start adding entities, properties and associations to the model.Ī. The Entity Designer is opened with a blank model. In the following Entity Data Model Wizard, select Empty model, and then click Finish.ģ. In Solution Explorer, under the Models folder, add a new ADO.NET Entity Data Model item called BloggingModel.ī. Create a sample model with Entity DesignerĪ. In this walkthrough, we will use the MVC project template with the default options.Ģ. Open an existing MVC 5 project in Visual Studio 2013 or create a new MVC 5 project. You should be able to use the same tool for Database First approach in a similar way.ġ. In this walkthrough, you will scaffold the EDMX generated models for Model First approach. To scaffold the models with the connection strings, you have to choose the generated container for the data context classes. Note: to see more information about how Entity Framework uses connection strings, see. public class NorthwindContext : DbContext. ![]()
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February 2023
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