HttpRequest.Item[String] 属性

定义

命名空间:
System.Web
程序集:
System.Web.dll

从 QueryString、Form、Cookies 或 ServerVariables 集合获取指定的对象。Gets the specified object from the QueryString, Form, Cookies, or ServerVariables collections.

public:
 property System::String ^ default[System::String ^] { System::String ^ get(System::String ^ key); };
public string this[string key] { get; }
member this.Item(string) : string
Default Public ReadOnly Property Item(key As String) As String

参数

key
String

要获取的集合成员的名称。The name of the collection member to get.

属性值

String

QueryString 参数中指定的 Form、Cookies、ServerVariables 或 key 集合成员。The QueryString, Form, Cookies, or ServerVariables collection member specified in the key parameter. 如果未找到指定的 key，则返回 null。If the specified key is not found, then null is returned.

适用于