Mega Code Archive

 
Categories / ASP.Net Tutorial / Page Lifecycle
 

Page IsCrossPagePostBack

index.aspx <%@ 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">     public TextBox pp_TextBox1     {         get         {             return TextBox1;         }     }     public Calendar myCalendar1     {         get         {             return Calendar1;         }     }     protected void Button1_Click (object sender, System.EventArgs e)     {         Label1.Text = "Hello " + TextBox1.Text + "<br />" +             "Date Selected: " + Calendar1.SelectedDate.ToShortDateString();     } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">     <title>First Page</title> </head> <body>     <form id="form1" runat="server">         Enter your name:<br />         <asp:Textbox ID="TextBox1" Runat="server">         </asp:Textbox>         When do you want to fly?<br />         <asp:Calendar ID="Calendar1" Runat="server"></asp:Calendar>         <br />         <asp:Button ID="Button1" Runat="server" Text="Submit page to itself"           OnClick="Button1_Click" />         <asp:Button ID="Button2" Runat="server" Text="Submit page to NextPage.aspx"          PostBackUrl="NextPage.aspx" />         <asp:Label ID="Label1" Runat="server"></asp:Label>     </form> </body> </html> File: NextPage.aspx <%@ Page Language="C#" %> <%@ PreviousPageType VirtualPath="Default.aspx" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"   "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <script runat="server">         protected void Page_Load(object sender, System.EventArgs e)     {       if (Page.IsCrossPagePostBack) {         Label1.Text = "Hello " + PreviousPage.myTextbox1.Text + "<br />" +             "Date Selected: " +             PreviousPage.myCalendar1.SelectedDate.ToShortDateString();       }       else       {          Response.Redirect("Default.aspx");       }     }     </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">     <title>Second Page</title> </head> <body>     <form id="form1" runat="server">         <asp:Label ID="Label1" Runat="server"></asp:Label>     </form> </body> </html>