Use the Server.Transfer method to transfer control and values from one page to another. : Server class « Server « ASP.Net

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ASP.Net » Server » Server class 




Use the Server.Transfer method to transfer control and values from one page to another.



<%@ Page Language="C#" 
         AutoEventWireup="true" 
         CodeFile="Default.aspx.cs" 
         Inherits="Default" %>
<%@ PreviousPageType VirtualPath="NextPage.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>Using Server.Transfer</title>
</head>
<body>
    <div id="pageContent">
        <form id="form1" runat="server">
            <asp:MultiView ID="MultiView1" runat="server">
                <asp:View runat="server" ID="ChooseActionView">
                    <asp:DropDownList ID="DropDownList1" 
                                      runat="server" 
                                      AutoPostBack="True" 
                                      OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
                        <asp:ListItem>Hire</asp:ListItem>
                        <asp:ListItem>Buy</asp:ListItem>
                        <asp:ListItem>Spy</asp:ListItem>
                    </asp:DropDownList>
                </asp:View>
                <asp:View runat="server" ID="ShowResultsView">
                    <asp:Label runat="server" ID="Msg" /><br /><br />
                    <asp:LinkButton ID="LinkButton1" runat="server" OnClick="LinkButton1_Click">Choose an action</asp:LinkButton>
                </asp:View>
            </asp:MultiView>
            Name:
            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            <asp:Button ID="Button1" runat="server" Text="Transfer..." OnClick="Button1_Click" />
        </form>
    </div>
</body>
</html>

File: Default.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.HtmlControls;


public partial class Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    if (!IsPostBack)
      MultiView1.ActiveViewIndex = 0;
  }
  protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
  {
    Msg.Text = String.Format("You're going to <b>{0}</b>", DropDownList1.SelectedItem.Text);
    MultiView1.ActiveViewIndex = 1;
  }
  protected void LinkButton1_Click(object sender, EventArgs e)
  {
    MultiView1.ActiveViewIndex = 0;
  }
  protected void Button1_Click(object sender, EventArgs e)
  {
    Server.Transfer("NextPage.aspx");
  }
}

File: NextPage.aspx


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

<!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>
    <div id="pageContent">
        <form id="form1" runat="server">
            <h2>This is the 
                <asp:Label ID="GuruName" runat="server" ForeColor="blue" />
                home page. Thank you for requesting to 
                <asp:Label ID="GuruAction" runat="server" ForeColor="blue" />
            </h2>
        </form>
    </div>
</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.HtmlControls;

public partial class Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    if (PreviousPage == null)
    {
      Response.Write("Sorry, you can only invoke me through cross-page posting or Server.Transfer.");
      Response.End();
      return;
    else {
      if (PreviousPage.IsCrossPagePostBack)
        Response.Write("The page is being invoked through cross-page posting");
    }

    DropDownList dd = (DropDownList)PreviousPage.FindControl("DropDownList1");
    string action = dd.SelectedItem.Text;
    GuruAction.Text = action;

    TextBox txt = (TextBox)PreviousPage.FindControl("TextBox1");
    GuruName.Text = txt.Text;
    }
}

 














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