Gets the key of the specified prefix through the Namevaluepairsvalueprovider object

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Web.Http.ValueProviders.Providers;5 6 namespaceConsoleApp7 {8     Internal class Program9     {Ten         Private Static voidMain (string[] args) One         { A             varDIC =Newdictionary<string,string> -             { -{"Contact . Name","Zhang San"}, the{"Contact . Phoneno","123456789"}, -{"Contact . EmailAddress","[email protected]"}, -{"Contact . Address.province","Shanghai"}, -{"Contact . Address.city","Shanghai"}, +{"Contact . Address.district","changning"}, -{"Contact . Address.street","No. No. 968 Jinzhong Road"} +             }; A             varValueprovider =NewNamevaluepairsvalueprovider (DIC. ToArray (),NULL); at  -             //prefix= "" -Console.WriteLine ("Prefix: <Empty>"); -Console.WriteLine ("{0,-14}{1}","Key","value"); -             varKeys = Valueprovider.getkeysfromprefix (string. Empty); -             foreach(varIteminchkeys) in             { -Console.WriteLine ("{0,-14}{1}", item. Key, item. Value); to             } +  -             //prefix= "Contact" theConsole.WriteLine ("prefix:contact"); *Console.WriteLine ("{0,-14}{1}","Key","value"); $Keys = Valueprovider.getkeysfromprefix (" Contact");Panax Notoginseng             foreach(varIteminchkeys) -             { theConsole.WriteLine ("{0,-14}{1}", item. Key, item. Value); +             } A  the             //prefix= "Contact" +Console.WriteLine ("prefix:contact. Address"); -Console.WriteLine ("{0,-14}{1}","Key","value"); $Keys = Valueprovider.getkeysfromprefix ("Contact . Address"); $             foreach(varIteminchkeys) -             { -Console.WriteLine ("{0,-14}{1}", item. Key, item. Value); the             } - Wuyi Console.read (); the         } -     } Wu}

Gets the key of the specified prefix through the Namevaluepairsvalueprovider object