HttpRequest.Params 屬性
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
取得 QueryString、Form、Cookies 和 ServerVariables 項目的組合集合。
public:
property System::Collections::Specialized::NameValueCollection ^ Params { System::Collections::Specialized::NameValueCollection ^ get(); };public System.Collections.Specialized.NameValueCollection Params { get; }member this.Params : System.Collections.Specialized.NameValueCollectionPublic ReadOnly Property Params As NameValueCollection屬性值
範例
下列程式碼範例示範如何迴圈查看 Params 頁面的 屬性，以及如何顯示每個索引鍵/值組。
<%@ Page Language="C#"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<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 xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Label id="lblValues" runat="server" />
</form>
</body>
</html>
<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<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 xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Label id="lblValues" runat="server" />
</form>
</body>
</html>
備註
名稱/值組會依下列順序新增至集合：
查詢字串參數。
表單欄位。
Cookie。
伺服器變數。