[ArgumentException: 已添加項。字典中的關(guān)鍵字:“RegEx”所添加的關(guān)鍵字:“RegEx”]   System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add) +7487320   System.Collections.Hashtable.Add(Object key, Object value) +11   System.Configuration.Provider.ProviderCollection.Add(ProviderBase provider) +78   UrlRewritingNet.Configuration.Provider.UrlRewritingProviderCollection.Add(ProviderBase provider) +43   UrlRewritingNet.Web.UrlRewriting.Initialize() +184   UrlRewritingNet.Web.UrlRewriting.CreateRewriteRule(String providerName) +16   UrlRewritingNet.Web.UrlRewriteModule.Init(HttpApplication context) +228   System.Web.HttpApplication.InitModulesCommon() +65   System.Web.HttpApplication.InitModules() +43   System.Web.HttpApplication.InitInternal(HttpContext context, HttpApplicationState state, MethodInfo[] handlers) +729   System.Web.HttpApplicationFactory.GetNormalApplicationInstance(HttpContext context) +298   System.Web.HttpApplicationFactory.GetApplicationInstance(HttpContext context) +107   System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +289