ASP.NET Tutorial/Development/URL

Материал из .Net Framework эксперт
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Create a URL based on the current URL (C#)

   <source lang="csharp">

File: Default.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Cookieless1" %> <!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>Untitled Page</title>

</head> <body>

   <form id="form1" runat="server">
                   <asp:HyperLink ID="lnkRedirect" 
                                  runat="server" 
                                  NavigateUrl="NextPage.aspx">Link with Relative Path</asp:HyperLink>
                   <asp:Button ID="cmdLink" runat="server" Text="Redirect with Relative Path" OnClick="cmdLink_Click"></asp:Button>
                   <asp:Button ID="cmdLinkAbsolute" runat="server" Text="Redirect with Absolute Path" OnClick="cmdLinkAbsolute_Click"></asp:Button>
   </form>

</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.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class Cookieless1 : System.Web.UI.Page {

   protected void Page_Load(object sender, EventArgs e)
 {
   Session["test"] = "Test String";
   }
 protected void cmdLink_Click(object sender, EventArgs e)
 {
   Response.Redirect("NextPage.aspx");
 }
 protected void cmdLinkAbsolute_Click(object sender, EventArgs e)
 {
   string url = "http://" + Request.Url.Authority +
     Request.Url.Segments[0] + Request.Url.Segments[1] +
     "NextPage.aspx";
   Response.Redirect(url);
 }

}

File: NextPage.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="NextPage.aspx.cs" Inherits="Cookieless2" %> <!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>Untitled Page</title>

</head> <body>

   <form id="form1" runat="server">
       <asp:Label ID="lblInfo" 
                  runat="server" 
                  Font-Bold="True" 
                  Font-Names="Verdana" 
                  Font-Size="Large"></asp:Label>
   </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 Cookieless2 : System.Web.UI.Page {

   protected void Page_Load(object sender, EventArgs e)
   {
   if (Session["test"] != null)
   {
     lblInfo.Text = "Successfully retrieved " + (string)Session["test"];
   }
   else
   {
     lblInfo.Text = "Session information not found.";
   }
   }

}</source>