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ASP.NET Tutorial/Page Lifecycle/Response - История изменений
2026-04-29T18:27:58Z
История изменений этой страницы в вики
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http://nfex.ru/index.php?title=ASP.NET_Tutorial/Page_Lifecycle/Response&diff=3222&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:57Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:30, 26 мая 2010</td>
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http://nfex.ru/index.php?title=ASP.NET_Tutorial/Page_Lifecycle/Response&diff=3223&oldid=prev
Admin: 1 версия
2010-05-26T12:00:05Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Adding a cache dependency in ASP.NET==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<%@ OutputCache Duration="300" VaryByParam="None" %><br />
<html><br />
<head><br />
<title>Adding a cache dependency in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.AddCacheItemDependencies("Key1")<br />
myMessage.Text = DateTime.Now()<br />
End Sub<br />
Sub Button1_Click(sender As Object, e As EventArgs)<br />
Cache("Key1") = "foo"<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<form runat="server"><br />
<asp:label id="myMessage" runat="server"/><br />
<asp:button id="Button1" text="Change Key 1" onClick="Button1_Click" runat="server"/><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Display all controls on a page==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="ControlTree" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head ><br />
<title>Controls</title><br />
</head><br />
<body><br />
<div><br />
<i>This is static HTML (not a web control).</i><br />
</div><br />
<form id="Controls" runat="server"><br />
<div><br />
<asp:panel id="MainPanel" runat="server" Height="112px"><br />
<asp:Button id="Button1" runat="server" Text="Button1"/><br />
<asp:Button id="Button2" runat="server" Text="Button2"/><br />
<asp:Button id="Button3" runat="server" Text="Button3"/><br />
<asp:Label id="Label1" runat="server" Width="48px"><br />
Name:</asp:Label><br />
<asp:TextBox id="TextBox1" runat="server"></asp:TextBox><br />
</asp:panel><br />
<asp:Button id="Button4" runat="server" Text="Button4"/><br />
<br />
</div><br />
</form><br />
<div><br />
<i>This is static HTML (not a web control).</i><br />
</div><br />
</body><br />
</html><br />
File: Default.aspx.cs<br />
using System;<br />
using System.Data;<br />
using System.Configuration;<br />
using System.Collections;<br />
using System.Web;<br />
using System.Web.Security;<br />
using System.Web.UI;<br />
using System.Web.UI.WebControls;<br />
using System.Web.UI.WebControls.WebParts;<br />
using System.Web.UI.HtmlControls;<br />
public partial class ControlTree : System.Web.UI.Page<br />
{<br />
private void Page_Load(object sender, System.EventArgs e)<br />
{<br />
DisplayControl(Page.Controls, 0);<br />
}<br />
private void DisplayControl(ControlCollection controls, int depth)<br />
{<br />
foreach (Control control in controls)<br />
{<br />
Response.Write(new String("-", depth * 4) + "> ");<br />
Response.Write(control.GetType().ToString() + " - <b>" + control.ID + "</b><br/>");<br />
if (control.Controls != null)<br />
{<br />
DisplayControl(control.Controls, depth + 1);<br />
}<br />
}<br />
}<br />
}</source><br />
<br />
<br />
<br />
== Displaying the HTTP headers collection in ASP.NET==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<html><br />
<head><br />
<title>Submit a named parameter via POST</title><br />
</head><br />
<body><br />
<form id="form1" action="NextPage.aspx" method="POST"><br />
<h3>Name:</h3><br />
<input type="text" name="name"><br />
<input type="submit"><br />
</form><br />
</body><br />
</html><br />
<br />
File: NextPage.aspx<br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Displaying the HTTP headers collection in ASP.NET</title><br />
</head><br />
<body><br />
<br />
<%<br />
Select Case Request.HttpMethod<br />
Case "POST"<br />
Response.Write("POST requests not allowed!<br>")<br />
Response.End<br />
Case "HEAD"<br />
Response.Write("HEAD requests not allowed!<br>")<br />
Response.End<br />
Case "GET"<br />
"Process request<br />
Response.Write("GET requests are allowed!<br>")<br />
Case Else<br />
Response.Write("Unknown request: not allowed!<br>")<br />
Response.End <br />
End Select<br />
%><br />
<br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Displaying URL information in ASP.NET==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<html><br />
<head><br />
<title>Submit a named parameter via POST</title><br />
</head><br />
<body><br />
<form id="form1" action="NextPage.aspx" method="POST"><br />
<h3>Name:</h3><br />
<input type="text" name="name"><br />
<input type="submit"><br />
</form><br />
</body><br />
</html><br />
File: NextPage.aspx<br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Displaying URL information in ASP.NET</title><br />
</head><br />
<body><br />
<br />
<%<br />
Dim myUri As Uri<br />
myUri = Request.Url<br />
Response.Write("Current request URL info ? <br><br>")<br />
Response.Write("Protocol: " & myUri.Scheme & "<br>")<br />
Response.Write("Port: " & myUri.Port & "<br>")<br />
Response.Write("Host Name: " & myUri.Host & "<br>")<br />
myUri = Request.UrlReferrer<br />
If Not (myUri Is Nothing) Then<br />
Response.Write("Referral URL info ? <br><br>")<br />
Response.Write("Protocol: " & myUri.Scheme & "<br>")<br />
Response.Write("Port: " & myUri.Port & "<br>")<br />
Response.Write("Host Name: " & myUri.Host & "<br>")<br />
Response.Write("App Path: " & myUri.AbsolutePath & "<br>")<br />
Else<br />
Response.Write("No referral URL info available.")<br />
End If<br />
%><br />
<br />
<br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.AddCacheItemDependencies==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<%@ OutputCache Duration="300" VaryByParam="None" %><br />
<html><br />
<head><br />
<title>Adding cache dependencies in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Dim myArrayList As New ArrayList<br />
myArrayList.Add("Key1")<br />
myArrayList.Add("Key2")<br />
Response.AddCacheItemDependencies(myArrayList)<br />
myMessage.Text = DateTime.Now()<br />
End Sub<br />
Sub Button1_Click(sender As Object, e As EventArgs)<br />
Cache("Key1") = "foo"<br />
End Sub<br />
Sub Button2_Click(sender As Object, e As EventArgs)<br />
Cache("Key2") = "bar"<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<form runat="server"><br />
<asp:label id="myMessage" runat="server"/><br />
<asp:button id="Button1" text="Change Key 1" onClick="Button1_Click" runat="server"/><br />
<asp:button id="Button2" text="Change Key 2" onClick="Button2_Click" runat="server"/><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.AddFileDependencies==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<%@ OutputCache Duration="300" VaryByParam="None" %><br />
<html><br />
<head><br />
<title>Adding file dependencies in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Dim myArrayList As New ArrayList<br />
myArrayList.Add(Server.MapPath("dep.txt"))<br />
myArrayList.Add(Server.MapPath("dep1.txt"))<br />
Response.AddFileDependencies(myArrayList)<br />
myMessage.Text = DateTime.Now()<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.AddFileDependency==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<%@ OutputCache Duration="300" VaryByParam="None" %><br />
<html><br />
<head><br />
<title>Adding a file dependency in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.AddFileDependency(Server.MapPath("dep.txt"))<br />
myMessage.Text = DateTime.Now()<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.AppendHeader==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Adding an HTTP Header in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.AppendHeader("Content-Type", "text/xml")<br />
myMessage.Text = Response.ContentType<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.AppendToLog==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Adding an HTTP Header in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.AppendToLog("Hello from Page_Load!")<br />
myMessage.Text = "myMessage written to IIS Log!"<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.ApplyAppPathModifier==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Creating Absolute URLs for cookieless sessions in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Dim NewPath As String<br />
NewPath = Request.Url.Scheme & "://" & Request.Url.Host & _<br />
Response.ApplyAppPathModifier(Request.Url.AbsolutePath)<br />
myMessage.Text = "Modified Absolute URL = " & NewPath<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.BinaryWrite==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<%@ Import Namespace="System.Data" %><br />
<%@ Import Namespace="System.Data.SqlClient" %><br />
<%@ Import Namespace="System.IO" %><br />
<html><br />
<head><br />
<title>Writing binary content in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Dim ConnStr As String<br />
ConnStr = "Data Source=(local)\NetSDK;"<br />
ConnStr &= "database=pubs;integrated security=true"<br />
Dim mySqlConn As New SqlConnection(ConnStr)<br />
mySqlConn.Open<br />
Dim SQL As String = "SELECT logo FROM pub_info WHERE pub_id = "0736""<br />
Dim mySqlCmd as New SqlCommand(SQL, mySqlConn)<br />
mySqlCmd.rumandType = CommandType.Text<br />
Dim Reader As SqlDataReader<br />
Reader = mySqlCmd.ExecuteReader()<br />
Dim ImageBytes() As Byte<br />
While Reader.Read()<br />
ImageBytes = Reader.Item(0)<br />
End While<br />
Response.ContentType = "image/bmp"<br />
Response.BinaryWrite(ImageBytes)<br />
Response.End()<br />
Reader.Close()<br />
mySqlConn.Close()<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.BufferOutput==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Buffering Output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.BufferOutput = False<br />
Dim i As Integer<br />
For i = 1 To 50<br />
If (i > 10 And i < 30) Then <br />
Response.BufferOutput = True<br />
Else<br />
Response.BufferOutput = False<br />
End If<br />
System.Threading.Thread.Sleep(500)<br />
Response.Write(".")<br />
myMessage.Text &= "."<br />
"Response.Flush<br />
Next<br />
Response.Write("</br>Done!</br>")<br />
myMessage.Text &= "</br>Done!</br>"<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.Charset==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Modifying character set in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.Charset = "Windows-1255"<br />
myMessage.Text = "Current character set is " & Response.Charset<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.ClearContent==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Clearing buffered output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.Write("This content will not be seen.")<br />
Response.ClearContent()<br />
myMessage.Text = "Content written with <i>Response.Write</i> was cleared."<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.ClearHeaders()==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Clearing buffered output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.AppendHeader("Content-Type", "text/xml")<br />
Response.ClearHeaders()<br />
myMessage.Text = Response.ContentType<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.ContentEncoding==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Displaying Encoding in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
myMessage.Text = "Current encoding is " & _<br />
Response.ContentEncoding.EncodingName & "</br>"<br />
myMessage.Text &= "Current encoding IANA name is " & _<br />
Response.ContentEncoding.WebName & "</br>"<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.ContentType==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Response property example</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.ContentType = "text/xml"<br />
myMessage.Text = "This page will be displayed as XML in " & _<br />
"Internet Explorer 5.0 or above."<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.End()==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Ending processing in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.Write("Hello, World!")<br />
Response.End()<br />
myMessage.Text = "Hello, World!"<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.Expires==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Cacheing Output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.CacheControl = "Public"<br />
Response.Expires = 2<br />
myMessage.Text = Now.ToString()<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.ExpiresAbsolute==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Cacheing Output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.CacheControl = "Public"<br />
Response.ExpiresAbsolute = DateTime.Now.AddSeconds(30)<br />
myMessage.Text = Now.ToString()<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.IsClientConnected==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Checking client connection status in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
If Response.IsClientConnected = False Then<br />
Response.End<br />
Else<br />
End If<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.Output==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Writing Output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Dim myWriter As System.IO.TextWriter<br />
myWriter = Response.Output<br />
myWriter.WriteLine("Hello, World!")<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.PICS==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Sending a PICS label in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Dim PICSLabel As String<br />
PICSLabel &= "(PICS-1.1 <http://www.java.ru> "<br />
PICSLabel &= "labels on " & Chr(34)<br />
PICSLabel &= "2001.08.01T06:00-0000" & Chr(34)<br />
PICSLabel &= " until " & Chr(34)<br />
PICSLabel &= "2002.02.28T23:59-0000" & Chr(34)<br />
PICSLabel &= " ratings (V 1 S 2 L 3 N 1))"<br />
Response.PICS(PICSLabel)<br />
myMessage.Text = PICSLabel<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.RemoveOutputCacheItem==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Removing cache items in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Cache("Key1") = "foo"<br />
Response.RemoveOutputCacheItem(Request.Path)<br />
If Not Cache("Key1") Is Nothing Then<br />
myMessage.Text = Cache("Key1")<br />
Else<br />
myMessage.Text = "Cache items for " & Request.Path & _<br />
" removed."<br />
End If<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.StatusCode==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Sending status in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.StatusCode = 542<br />
Response.StatusDescription = "Server Error - The code is the answer."<br />
Response.End()<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.SuppressContent==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Suppressing content in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.Write("Hello, World!")<br />
Response.SuppressContent = True<br />
If Response.SuppressContent Then Response.Close()<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.Write==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Writing character output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Dim MyChars(2) As Char<br />
Dim MyChar As Char<br />
MyChars(0) = "A"<br />
MyChars(1) = "B"<br />
MyChars(2) = "C"<br />
For Each MyChar in MyChars<br />
Response.Write(MyChar)<br />
Next<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Response.WriteFile==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Writing a file to output in ASP.NET</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Response.WriteFile("dep.txt")<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="myMessage" runat="server"/><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Submit a named parameter via POST==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<html><br />
<head><br />
<title>Submit a named parameter via POST</title><br />
</head><br />
<body><br />
<form id="form1" action="NextPage.aspx" method="POST"><br />
<h3>Name:</h3><br />
<input type="text" name="name"><br />
<input type="submit"><br />
</form><br />
</body><br />
</html><br />
File: NextPage.aspx<br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Displaying a named request parameter in ASP.NET</title><br />
</head><br />
<body><br />
<br />
<%<br />
Response.Write(Request("name") & "<br><br>")<br />
Request.SaveAs("C:\HTTPRequest.txt", True)<br />
Dim length As Integer<br />
length = Request.ContentLength<br />
Response.Write("Length of request was: " & length & " bytes.")<br />
%><br />
<br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Use Response.Redirect to transfer to another aspx file (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
File: Default.aspx<br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Cookieless1" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<table><br />
<tr><br />
<td><br />
<asp:HyperLink ID="lnkRedirect" <br />
runat="server" <br />
NavigateUrl="NextPage.aspx">Link with Relative Path</asp:HyperLink><br />
</td><br />
</tr><br />
<tr><br />
<td><br />
<asp:Button ID="cmdLink" runat="server" Text="Redirect with Relative Path" OnClick="cmdLink_Click"></asp:Button><br />
</td><br />
</tr><br />
<tr><br />
<td><br />
<asp:Button ID="cmdLinkAbsolute" runat="server" Text="Redirect with Absolute Path" OnClick="cmdLinkAbsolute_Click"></asp:Button><br />
</td><br />
</tr><br />
</table><br />
</div><br />
</form><br />
</body><br />
</html><br />
<br />
File: Default.aspx.cs<br />
using System;<br />
using System.Data;<br />
using System.Configuration;<br />
using System.Collections;<br />
using System.Web;<br />
using System.Web.Security;<br />
using System.Web.UI;<br />
using System.Web.UI.WebControls;<br />
using System.Web.UI.WebControls.WebParts;<br />
using System.Web.UI.HtmlControls;<br />
public partial class Cookieless1 : System.Web.UI.Page<br />
{<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
Session["test"] = "Test String";<br />
}<br />
protected void cmdLink_Click(object sender, EventArgs e)<br />
{<br />
Response.Redirect("NextPage.aspx");<br />
}<br />
protected void cmdLinkAbsolute_Click(object sender, EventArgs e)<br />
{<br />
string url = "http://" + Request.Url.Authority +<br />
Request.Url.Segments[0] + Request.Url.Segments[1] +<br />
"NextPage.aspx";<br />
Response.Redirect(url);<br />
}<br />
}<br />
<br />
File: NextPage.aspx<br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="NextPage.aspx.cs" Inherits="Cookieless2" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:Label ID="lblInfo" <br />
runat="server" <br />
Font-Bold="True" <br />
Font-Names="Verdana" <br />
Font-Size="Large"></asp:Label><br />
</div><br />
</form><br />
</body><br />
</html><br />
<br />
File: NextPage.aspx.cs<br />
<br />
using System;<br />
using System.Data;<br />
using System.Configuration;<br />
using System.Collections;<br />
using System.Web;<br />
using System.Web.Security;<br />
using System.Web.UI;<br />
using System.Web.UI.WebControls;<br />
using System.Web.UI.WebControls.WebParts;<br />
using System.Web.UI.HtmlControls;<br />
public partial class Cookieless2 : System.Web.UI.Page<br />
{<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
if (Session["test"] != null)<br />
{<br />
lblInfo.Text = "Successfully retrieved " + (string)Session["test"];<br />
}<br />
else<br />
{<br />
lblInfo.Text = "Session information not found.";<br />
}<br />
}<br />
}</source><br />
<br />
<br />
<br />
== Use Response.Write to output data from a database==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="VB" AutoEventWireup="false"%><br />
<%@ Import Namespace="System.Data.SqlClient" %><br />
<html><br />
<body><br />
Here comes the data!<br /><br />
<%<br />
Dim connect As New SqlConnection( _<br />
"Server=mycomp;UID=sa;password=password01;database=Dummies")<br />
connect.Open()<br />
Dim cmd As New SqlCommand( _<br />
"select nameid from names where first_name ="Jeff"", _<br />
connect)<br />
Dim id As Int32<br />
id = cmd.ExecuteScalar()<br />
connect.Close()<br />
Response.Write(id)<br />
%> <br />
<br />How about that?<br /><br />
</body><br />
</html></source></div>
Admin