How to pass multiple parameters in Web API get?

How to pass multiple parameters in Web API get?

Pass Multiple Parameters in URL in Web API

1. First create a Web API Application. Start Visual Studio 2012.
2. In the view add some code. In the “Solution Explorer”.
3. Now return to the “HomeController” Controller and create a new Action Method.
4. Now create a View as in the following.
5. Now execute the application.

How to pass parameters to API?

A REST API can have parameters in at least two ways:

1. As part of the URL-path (i.e. /api/resource/parametervalue )
2. As a query argument (i.e. /api/resource? parameter=value )

How do I return API error?

Using HttpError in ASP.NET Web API You can use the CreateErrorResponse extension method in your Web API controller method to return meaningful error codes and error messages. Note that the CreateErrorResponse method creates an HttpError object and then wraps it inside an HttpResponseMessage object.

How do I pass optional parameters in Web API?

Optional Parameters in Web API Attribute Routing and Default Values: You can make a URI parameter as optional by adding a question mark (“?”) to the route parameter. If you make a route parameter as optional then you must specify a default value by using parameter = value for the method parameter.

How are parameters binding in web API controller?

Action methods in Web API controller can have one or more parameters of different types. It can be either primitive type or complex type. Web API binds action method parameters either with URL’s query string or with request body depending on the parameter type.

Can you pass more than one parameter to a web API controller?

To reiterate, you are allowed to pass only one value (simple or complex type) as parameter to a Web API controller method when using the [FromBody] attribute. You can pass any number of parameters using the [FromUri] attribute but that is not the ideal solution in our case.

Can a post action method have multiple parameters?

Post action method cannot include multiple complex type parameters because at most one parameter is allowed to be read from the request body. Parameter binding for Put and Patch method will be the same as Post method in Web API.

Where is the ID parameter in web API?

The above Post method includes both primitive and complex type parameter. So, by default , Web API will get the id parameter from query string and student parameter from the request body. Following is a valid HTTP POST request in the fiddler for the above action method.