How do you handle variable number of segments in a route definition?

How do you handle variable number of segments in a route definition?

Answer: You can handle variable number of segments in a route definition by using a route with a catch-all parameter.

What are the three segments for routing?

The three segments of a default route contain the Controller, Action and Id.

What is path segments?

The path may consist of a sequence of path segments separated by a single slash “/” character. Within a path segment, the characters “/”, “;”, “=”, and “?” are reserved. Each path segment may include a sequence of parameters, indicated by the semicolon “;” character.

What is URL segments?

URL segments are the parts of a URL or path delimited by slashes. So if you had the path /path/to/page/ then “path”, “to”, and “page” would each be a URL segment. Because it is the first URL segment that didn’t resolve to a page, it is considered URL segment #1.

How can we maintain session in MVC?

ASP.NET MVC provides three ways (TempData, ViewData and ViewBag) to manage session, apart from that we can use session variable, hidden fields and HTML controls for the same. But like session variable these elements cannot preserve values for all requests; value persistence varies depending the flow of request.

What is the advantage of attribute routing?

Here are a few advantages of attribute based routing, Helps developer in the debugging / troubleshooting mode by providing information about routes. Reduces the chances for errors, if a route is modified incorrectly in RouteConfig. cs then it may affect the entire application’s routing.

What is MVC Razor?

Razor View Engine is a markup syntax which helps us to write HTML and server-side code in web pages using C# or VB.Net. Razor is a templating engine and ASP.NET MVC has implemented a view engine which allows us to use Razor inside of an MVC application to produce HTML.

What is a URI path segment?

A Uniform Resource Identifier (URI) is a unique sequence of characters that identifies a logical or physical resource used by web technologies. A URL provides the location of the resource. A URI identifies the resource by name at the specified location or URL.

What is Max URL segments?

In short. According to the HTTP spec, there is no limit to a URL’s length. Keep your URLs under 2048 characters; this will ensure the URLs work in all clients & server configurations. Also, search engines like URLs to remain under approximately 2000 characters.

Which is better ViewBag or ViewData?

In theory if properly implemented, the ViewBag would ultimately outperform the use of the ViewData dictionary because the binding of the expressions (e.g. ViewBag.

How are route segments defined in ASP.NET MVC?

Most of the times the ASP.NET MVC routes consists of known number of segments. For example, consider the default route pattern defined by ASP.NET MVC: Here, the route consists of three segments namely controller, action and an optional id. This works well for many applications.

What are the three segments of a route?

Here, the route consists of three segments namely controller, action and an optional id. This works well for many applications. However, at times you may not have idea about the exact number of route segments involved. Consider the following example.

What are the parameters of the route pattern?

Notice that the route pattern consists of four parameters namely controller, action, country and *cities. The *cities does the trick for us. This catch-all parameter indicates that any number of route segments can follow the country segment.

What’s the default order for routing in ASP.NET?

Using conventional routing, the developer is responsible for placing routes in the desired order. Attribute routes can configure an order, using the Order property of all of the framework provided route attributes. Routes are processed according to an ascending sort of the Order property. The default order is 0.