• HttpRequest.Params 属性


    HttpRequest.Params 属性 

    获取 QueryStringFormServerVariablesCookies 项的组合集合。

    命名空间:System.Web
    程序集:System.Web(在 system.web.dll 中)

    语法语法
    Visual Basic(声明)
    Public ReadOnly Property Params As NameValueCollection
    
    Visual Basic(用法)
    Dim instance As HttpRequest
    Dim value As NameValueCollection
    
    value = instance.Params
    
    C#
    public NameValueCollection Params { get; }
    
    C++
    public:
    property NameValueCollection^ Params {
        NameValueCollection^ get ();
    }
    
    J#
    /** @property */
    public NameValueCollection get_Params ()
    
    JScript
    public function get Params () : NameValueCollection
    

    属性值

    一个 NameValueCollection 对象。
    示例示例

    下面的代码示例循环访问页的 Params 属性,并在页上显示各项及相应的值。

    Visual Basic
    <%@ Page Language="VB" %>
    <script runat="server">
    
        Private Sub Page_Load(sender As Object, e As EventArgs)
    
            ' Create a string to contain the paramaters'
            ' information.
            Dim paramInfo As String = ""
    
            Dim i, j As Integer
    
            ' Obtain a reference to the Request.Params
            ' collection.
            Dim pColl As NameValueCollection = Request.Params
    
            ' Iterate through the collection and add
            ' each key to the string variable.
            For i = 0 To pColl.Count - 1
    
                paramInfo += "Key: " + pColl.GetKey(i) + "<br>"
    
                ' Create a string array that contains
                ' the values associated with each key.
                Dim pValues() As String  = pColl.GetValues(i)
    
                ' Iterate through the array and add
                ' each value to the string variable.
                For j = 0 To pValues.Length - 1
    
                    paramInfo += "Value:" + pValues(j) + "<br><br>"
    
                Next j
            Next i
    
            ' Set a Label's Text property to the values
            ' contained in the string variable.
            lblValues.Text = paramInfo
        End Sub
    
    </script>
    <html>
    <head>
    </head>
    <body>
        <form runat="server">
            <asp:Label id="lblValues" runat="server" />
        </form>
    </body>
    </html>
    
    <%@ Page Language="C#"%>
    <script runat="server">
    
        private void Page_Load(object sender, EventArgs e)
        {
            // Create a string to contain the paramaters'
            // information.
            string paramInfo = "";
    
            // Obtain a reference to the Request.Params
            // collection.
            NameValueCollection pColl = Request.Params;
    
            // Iterate through the collection and add
            // each key to the string variable.
            for(int i = 0; i <= pColl.Count - 1; i++)
            {
                paramInfo += "Key: " + pColl.GetKey(i) + "<br>";
    
                // Create a string array that contains
                // the values associated with each key.
                string[] pValues = pColl.GetValues(i);
    
                // Iterate through the array and add
                // each value to the string variable.
                for(int j = 0; j <= pValues.Length - 1; j++)
                {
                    paramInfo += "Value:" + pValues[j] + "<br><br>";
    
                }
            }
    
            // Set a Label's Text property to the values
            // contained in the string variable.
            lblValues.Text = paramInfo;
        }
    
    </script>
    <html>
    <head>
    </head>
    <body>
        <form runat="server">
            <asp:Label id="lblValues" runat="server" />
        </form>
    </body>
    </html>
    
    .NET Framework 安全性.NET Framework 安全性
    平台平台

    Windows 98、Windows 2000 SP4、Windows Server 2003、Windows XP Media Center Edition、Windows XP Professional x64 Edition、Windows XP SP2、Windows XP Starter Edition

    .NET Framework 并不是对每个平台的所有版本都提供支持。有关受支持版本的列表,请参见系统要求

    版本信息版本信息

    .NET Framework

    受以下版本支持:2.0、1.1、1.0
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  • 原文地址:https://www.cnblogs.com/chinafine/p/610573.html
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