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copied!<p>You have to define your own <code>RouteBase</code> class or subclass <code>Route</code></p> <pre><code>public class SeoFriendlyRoute : Route { private readonly string[] _valuesToSeo; public SeoFriendlyRoute(string url, RouteValueDictionary defaults, IEnumerable<string> valuesToSeo, RouteValueDictionary constraints = null, RouteValueDictionary dataTokens = null, IRouteHandler routeHandler = null) : base(url, defaults, constraints ?? new RouteValueDictionary(), dataTokens ?? new RouteValueDictionary(), routeHandler ?? new MvcRouteHandler()) { if (valuesToSeo == null) { throw new ArgumentNullException("valuesToSeo"); } _valuesToSeo = valuesToSeo.ToArray(); } public override RouteData GetRouteData(HttpContextBase httpContext) { var routeData = base.GetRouteData(httpContext); if (routeData != null) { foreach (var key in _valuesToSeo) { if (routeData.Values.ContainsKey(key)) { routeData.Values[key] = GetActualValue((string)routeData.Values[key]); } } } return routeData; } public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary values) { var seoFriendyValues = new RouteValueDictionary(values); foreach (var key in _valuesToSeo) { if (seoFriendyValues.ContainsKey(key)) { seoFriendyValues[key] = GetSeoFriendlyValue((string)seoFriendyValues[key]); } } return base.GetVirtualPath(requestContext, seoFriendyValues); } private string GetSeoFriendlyValue(string actualValue) { //your method StringBuilder str = new StringBuilder(); for (int i = 0, len = actualValue.Length; i < len; i++) { if (i == 0) { str.Append(Char.ToLower(actualValue[i])); } else if (Char.IsUpper(actualValue[i])) { str.Append("-" + Char.ToLower(actualValue[i])); } else { str.Append(actualValue[i]); } } return str.ToString(); } private static string GetActualValue(string seoFriendlyValue) { //action name is not case sensitive //one limitation is the dash can be anywhere but the action will still be resolved // /my-jumbled-page-name is same as /myjumbled-pagename return seoFriendlyValue.Replace("-", string.Empty); } } </code></pre> <p>Usage</p> <pre><code>routes.Add("Default", new SeoFriendlyRoute( url: "{controller}/{action}/{id}", valuesToSeo: new string[] { "action", "controller" }, defaults: new RouteValueDictionary(new { controller = "Home", action = "Index", id = UrlParameter.Optional })) ); </code></pre>

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