What are some examples of custom model binding in ASP.NET MVC?

What are some examples of custom model binding in ASP.NET MVC?

Custom model binding in ASP.NET MVC allows you to create your own logic for binding data from HTTP requests to your model classes. For example, you can create a custom model binder to handle complex types or specific data formats.

Can you show me a simple example of a custom model binder?

Sure! Here's a simple example: You can create a class that implements the IModelBinder interface. In the BindModel method, you can define how to bind the incoming data to your model. For instance, if you have a model called 'Product', you can bind its properties from the request.

What if I want to bind a list of objects?

You can create a custom model binder that handles collections. In the BindModel method, you can iterate through the request data and populate a list of your model type. This way, you can easily bind a list of products or any other collection.

Are there any built-in model binders I can use?

Yes, ASP.NET MVC comes with several built-in model binders, such as the DefaultModelBinder for simple types and the ComplexTypeModelBinder for complex types. You can also use them as a reference when creating your custom binders.