Asp. NET, remember the user name and password (with source download)--asp.net

Last Update:2017-10-31 Source: Internet

Author: User

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What you need to know: what the instance needs to do is create the cookie object and read the cookie object data, create a cookie through the cookies attribute of the response object, and read the cookie object's data through the request object's cookies.

Case thinking: Create and save a cookie in a textbox for a certain amount of timelogin.aspx:

1<%@ Page language="C #"autoeventwireup="true"codefile="Login.aspx.cs"inherits="Login"%>2 3<! DOCTYPE html>4 5"http://www.w3.org/1999/xhtml">6"Server">7<meta http-equiv="Content-type"Content="text/html; Charset=utf-8"/>8<title> Remember user name and password when logging in </title>9Ten<body> One<form id="Form1"runat="Server"> A<div> -User name <asp:textbox id="TextBox1"runat="Server"></asp:textbox><br/> -Secret &nbsp;&nbsp;&nbsp; Code <asp:textbox id="TextBox2"runat="Server"></asp:TextBox><br/> the<asp:checkbox id="CheckBox1"runat="Server"/> Remember user name and password <br/> -<asp:button id="Button1"runat="Server"text="Login"onclick="Button1_Click"/>&nbsp;&nbsp; -<asp:button id="Button2"runat="Server"text=" Reset"onclick="Button2_click1"/> -</div> +</form> -</body> +Login.aspx.cs:1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingsystem.web;5 usingSystem.Web.UI;6 usingSystem.Web.UI.WebControls;7 8  Public Partial classLogin:System.Web.UI.Page9 {Ten     //What to do when the page loads Start One     protected voidPage_Load (Objectsender, EventArgs e) A     { -         //The first load does not satisfy the condition, then all satisfies (except the cookie to the time), the cookie data is exported to the TextBox -         if(request.cookies["username"]!=NULL&&request.cookies["Password"]!=NULL) the         { -TextBox1.Text = request.cookies["username"]. Value.tostring (); -TextBox2.Text = request.cookies["Password"]. Value.tostring (); -         } +     } -     //content to be executed when the page loads end +     //implementation of the reset button function Start A     protected voidButton2_click1 (Objectsender, EventArgs e) at     { -          This. Findbutton ( This); -     } -     Private voidFindbutton (Control c) -     { -         if(C.controls! =NULL) in         { -             foreach(Control xinchc.controls) to             { +                 if(x isSystem.Web.UI.WebControls.TextBox) -                 { the((System.Web.UI.WebControls.TextBox) x). Text =""; *                 } $ Findbutton (x);Panax Notoginseng             } -         } the     } +     //implementation of the Reset button's function End A     //The implementation of the login button's function satrt the     protected voidButton1_Click (Objectsender, EventArgs e) +     { -         if(checkbox1.checked) $         { $             //Create cookie object, save cookie data, set cookie save time -response.cookies["username"]. Value =TextBox1.Text; -response.cookies["username"]. Expires = DateTime.Now.AddSeconds (Ten); theresponse.cookies["Password"]. Value =TextBox2.Text; -response.cookies["Password"]. Expires = DateTime.Now.AddSeconds (Ten);WuyiResponse.Redirect ("test.aspx"); the         } -     } Wu     //implementation of the login button's function End -}

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Asp. NET, remember the user name and password (with source download)--asp.net

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