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asp_net-mvc-now-escapes-spaces-in-strings-passed-in-via-route-parameters.md

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ASP.NET MVC now escapes spaces in strings passed in via route parameters

Scope

Minor

Version Introduced

4.5.2

Source Analyzer Status

Available

Change Description

In order to conform to RFC 2396, spaces in route paths are now escaped when populating action parameters from a route. So, whereas /controller/action/some data would previously match the route /controller/action/{data} and provide some data as the data parameter, it will now provide some%20data instead.

  • Quirked
  • Build-time break

Recommended Action

Code should be updated to unescape string parameters from a route. If the original URI is needed, it can be accessed with the xref:System.Net.HttpWebRequest.RequestUri.OriginalString API.

Affected APIs

  • M:System.Web.Mvc.RouteAttribute.#ctor(System.String)

Category

ASP.NET