Response.Redirect : Cross page posting « Page « ASP.Net






Response.Redirect



<%@ Page Language="C#" AutoEventWireup="true"  
  CodeFile="Default.aspx.cs" 
  Inherits="Default_aspx" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Cross-Page Posting</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h1>Cross-Page Posting</h1>
     Select your favorite activity:&nbsp;
     <asp:DropDownList ID="ddlActivity" runat="server" AutoPostBack="true">
      <asp:ListItem Text="Eating" />
      <asp:ListItem Text="Sleeping" />
      <asp:ListItem Text="Programming" />
      <asp:ListItem Text="Watching TV" />
      <asp:ListItem Text="Sex" />
      <asp:ListItem Text="Skiing" />
      <asp:ListItem Text="Bicycling" />
     </asp:DropDownList>
     <br />
     <br />
     <br />
     <asp:Button ID="btnServerTransfer" runat="server" 
      Text="Server.Transfer" 
      OnClick="btnServerTransfer_Click" />
     <asp:Button ID="btnRedirect" runat="server" 
      Text="Response.Redirect" 
      OnClick="btnRedirect_Click" />
     <asp:Button ID="btnCrossPage" runat="server" 
      Text="Cross-Page Post" 
      PostBackUrl="NextPage.aspx" />
    <br />
     <asp:Label ID="lblMessage" runat="server" />
     
    
    </div>
    </form>
</body>
</html>

File: Default.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Threading;

public partial class Default_aspx : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
     lblMessage.Text = "";
    }

  public DropDownList FavoriteActivity
  {
    get { return ddlActivity; }
  }

 
  protected void btnServerTransfer_Click(object sender, EventArgs e)
   {
     try
     {
       Server.Transfer("NextPage.aspx");

     }
     catch (ThreadAbortException ex)
     {
     }
     catch (Exception ex)
     {
       lblMessage.Text = "Exception: " + ex.Message;
     }
   }

  protected void btnRedirect_Click(object sender, EventArgs e)
   {
     try
     {
       Response.Redirect("NextPage.aspx");
     }
     catch (Exception ex)
     {
       lblMessage.Text = "Exception: " + ex.Message;
     }
   }
 }
 
File: NextPage.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="NextPage.aspx.cs" Inherits="NextPage_aspx" %>
<%@ PreviousPageType VirtualPath="~/Default.aspx" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Target Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h1>Target Page.</h1>
    
    Your favorite activity is&nbsp;
     <asp:Label ID="lblActivity" runat="server" Text="unknown" />
    
    </div>
    </form>
</body>
</html>

File: NextPage.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class NextPage_aspx : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
     lblActivity.Text = PreviousPage.FavoriteActivity.SelectedItem.ToString();
    }
}

 








Related examples in the same category

1.Simple cross page posting
2.Post data to another page using the cross-page posting features of ASP.NET 2.0 and 3.5.
3.The target page binds to the previous-page class type.
4.Access previous page
5.Find control from previous page
6.Cross Page Posting Post Back Properties