the Network-->admin-->tnsnames.ora file. Oracle Net Manager to start the database segment at this time;Then, review the service naming and listener, and remove the IPC address from the listener:And the service that uses IPC in the service naming is removed. After that, start cmd, enter Sqlplus, and then log on without prompting oracle11g ORA-12560:TNS: Protocol adapter error.Summarize:For Oracle databases, errors occur, mostly SID name configuration,
compatibility when taking the initial position of the element. We know that the method is window.getcomputedstyle (obj,null) [attr] , and IE unique method is obj.currentstyle[attr] .In order to ensure that the initial position at the time of continuous Click is not wrong, just to save the initial position at the first click, you can directly use the property value, we need to determine whether the first click: shake.pos = shake.pos? Shake.pos: parseint (GetStyle (_this,attr));In order to achiev
The login design here is primarily for ASP .I. Some requirements of design1. Provides 2 extension points, one User Object model interface (IUSER), and the other is the member access Interface (Imembershipservice).2. Use the authentication implementation class provided by ASP, which guarantees the security of this authentication function.
Second, class diagram design
Third, the descriptionIn the class diagram, 1 and 2, which is my public interface,
Original: ASP. NET MVC3 Implement user login verificationCustomize an authorization filter class that inherits from Authorizeattribute:Using system;using system.web;using system.web.mvc;namespace mvcapplication1{public class Dwauthorizeattribute: Authorizeattribute {//To constrain the action that requires login verification:[Dwauthorize]public actionresult Ind
' instantiated the Entity Layer Information table users = Udal.selectuser (user) ' Selectuser is returning an entity class, assigning it a value of user return users ' return to the users entity End FunctionEnd ClassUI layer:Interface design:watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvcwl1bxv4awewotix/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/center "> Pr
(); } Else{app. Useexceptionhandler ("/home/error"); } app. Usestaticfiles (); App. Usesession (); App. USEMVC (Routes={routes. MapRoute (Name:"default", Template:"{controller=home}/{action=index}/{id?}"); }); }4, compile, refresh the page, display the Verification code effect:Login Action ImplementationLogin backstage, using the session to save the login user object information, the session method did not find
This is an entry-level ASP tutorial. NET User login code, let's look at the code below.
Login.aspx.cs
protected void Btnlogin_click (object sender, EventArgs e){
string username = txtUsername.Text;string userpwd = Txtuserpwd.text;
UserInfo userobj = Useroper.checklogin (username, userpwd);if (userobj = null)Response.Write (" ");Else{session["userinfo"] = userobj;Formsauthentication.setauthcookie (U
Since the login control involves membership, you have to mention the user Personalization profile object. Personalization allows specific personalization information to be saved to the database, so it differs from ASP. NET state management in that it is possible to persist this information, it is necessary to emphasize the Web application and website a different, web Application cannot be used directly with
Add the AcquireRequestState event to global.protected voidApplication_acquirerequeststate (Objectsender, EventArgs e) {Uri URL= Request.url;//gets the URL of the current request//access to the Admin directory requires login verification. if(URL.) Absolutepath.tolower (). StartsWith ("/admin")) { //if Login.aspx is written in the admin directory, you need to exclude login.aspx authentication. if(httpcontext.current.session["Name"]
Login page, write the user's information into the form, give the form an ID, fill in the action, such as function Login (){$ ("#curform"). Submit ();}After clicking the button, go to the action, PublicActionResult Index () {stringCookiename=newproductconsts.newprocookiename;//ConstantsHttpCookie HttpCookie =Request.cookies[cookiename]if(HttpCookie! =NULL) {httpcontext.session["UserName"]=httpcookie.values["
Admin (lowercase): User-entered account.Password (lowercase): The password entered by the user.1, the first user name and password, stored in session sessions.session["admin" = admin; session["Password"] = Password; 2.· Then in the background, in the loading event to determine whether the session is not afraid, and is not the correct account and password.· It is not just an interface in the background to verify, all the background interface, as long as necessary, can be verified in this format.
sender, EventArgs e){HttpContext.Current.Cache.Remove (SKey);}In the Session_End method in the Global.asax file, addAfter the session expires. Empty the Session.SessionID in HonlineHashtable honline = (Hashtable) application["Online"];if (Honline[session.sessionid]! = NULL){Honline.remove (Session.SessionID);Application.Lock ();application["Online"] = Honline;Application.UnLock ();}Method Two:Skey is the login user name if (applicationonline (usernam
ASP. NET Single Point of login (SSO) is applicable to a variety of situations, asp. netsso
First: single-point login between the same primary domain but different subdomains
Form authentication is based on identity cookies. After logging on to the client, a cookie containing user identity information (including a ticket) is generated. The cookie name is the name
1, write a class Loginauthorityattribute, inherit from AuthorizeattributeusingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingSYSTEM.WEB.MVC;namespacepowerbidocs.web.utils{ Public classLoginauthorityattribute:authorizeattribute { Public Override voidonauthorization (AuthorizationContext filtercontext) {if(App_Start.GlobalConfig.LoginedUser = =NULL) {FilterContext.HttpContext.Response.Redirect ("~/home/login"); } }
This is an entry-level asp tutorial. net user logon code. Let's take a look at the code below.
Login. aspx. cs
Protected void btnlogin_click (object sender, eventargs e){
String username = txtusername. text;String userpwd = txtuserpwd. text;
Userinfo userobj = usermetadata. checklogin (username, userpwd );If (userobj = null)Response. write (" ");Else{Session ["userinfo"] = userobj;Formsauthentication. s
In ASP.net 2.0, many new features and controls have been added. Among them, the new landing controls make Web applications design more handy. What is a login control? Is that we usually use in the Web application of the user registration, login, forget the password, after landing according to the different rights and display different pages, and so on, now in ASP.net 2.0 can be implemented by the control pr
ASP. Net classroom-experiment 1 (LOGIN registration page implementation) how to create an ASP Website using Visual studio 2010? [File] --> [new] --> [website] --> [ASP. net website -- [complete] Default page Default. aspx: [html]
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