ASP.NET Tutorial/Cookie/HttpCookie — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
|
Текущая версия на 14:57, 26 мая 2010
HttpCookie
<source lang="csharp">
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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="myLabel" runat="server" />
</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; public partial class _Default : System.Web.UI.Page {
protected void Page_Load(object sender, EventArgs e) { HttpCookie userCookie; userCookie = Request.Cookies["UserID"]; if (userCookie == null) { myLabel.Text = "Creating a cookie now."; userCookie = new HttpCookie("UserID", "JoeBlack"); userCookie.Expires = DateTime.Now.AddMonths(1); Response.Cookies.Add(userCookie); } else { myLabel.Text = "Welcome back, " + userCookie.Value; } }
}</source>
HttpCookie (VB)
<source lang="csharp">
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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="myLabel" runat="server" />
</form>
</body> </html> File: Default.aspx.vb
Partial Class _Default
Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Load Dim userCookie As HttpCookie userCookie = Request.Cookies("UserID") If userCookie Is Nothing Then myLabel.Text = "Cookie doesn"t exist! Creating a cookie now." userCookie = New HttpCookie("UserID", "JoeBlack") userCookie.Expires = DateTime.Now.AddMonths(1) Response.Cookies.Add(userCookie) Else myLabel.Text = "Welcome back, " & userCookie.Value End If End Sub
End Class</source>